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Drop support for depercated platforms using SFI, drop the entire
support for SFI that has been long deprecated too and make some
janitorial changes on top of that (Andy Shevchenko).
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Merge tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull Simple Firmware Interface (SFI) support removal from Rafael Wysocki:
"Drop support for depercated platforms using SFI, drop the entire
support for SFI that has been long deprecated too and make some
janitorial changes on top of that (Andy Shevchenko)"
* tag 'sfi-removal-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
x86/platform/intel-mid: Update Copyright year and drop file names
x86/platform/intel-mid: Remove unused header inclusion in intel-mid.h
x86/platform/intel-mid: Drop unused __intel_mid_cpu_chip and Co.
x86/platform/intel-mid: Get rid of intel_scu_ipc_legacy.h
x86/PCI: Describe @reg for type1_access_ok()
x86/PCI: Get rid of custom x86 model comparison
sfi: Remove framework for deprecated firmware
cpufreq: sfi-cpufreq: Remove driver for deprecated firmware
media: atomisp: Remove unused header
mfd: intel_msic: Remove driver for deprecated platform
x86/apb_timer: Remove driver for deprecated platform
x86/platform/intel-mid: Remove unused leftovers (vRTC)
x86/platform/intel-mid: Remove unused leftovers (msic)
x86/platform/intel-mid: Remove unused leftovers (msic_thermal)
x86/platform/intel-mid: Remove unused leftovers (msic_power_btn)
x86/platform/intel-mid: Remove unused leftovers (msic_gpio)
x86/platform/intel-mid: Remove unused leftovers (msic_battery)
x86/platform/intel-mid: Remove unused leftovers (msic_ocd)
x86/platform/intel-mid: Remove unused leftovers (msic_audio)
platform/x86: intel_scu_wdt: Drop mistakenly added const
- Make objtool work for big-endian cross compiles
- Make stack tracking via stack pointer memory operations match push/pop
semantics to prepare for architectures w/o PUSH/POP instructions.
- Add support for analyzing alternatives
- Improve retpoline detection and handling
- Improve assembly code coverage on x86
- Provide support for inlined stack switching
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Merge tag 'objtool-core-2021-02-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Thomas Gleixner:
- Make objtool work for big-endian cross compiles
- Make stack tracking via stack pointer memory operations match
push/pop semantics to prepare for architectures w/o PUSH/POP
instructions.
- Add support for analyzing alternatives
- Improve retpoline detection and handling
- Improve assembly code coverage on x86
- Provide support for inlined stack switching
* tag 'objtool-core-2021-02-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
objtool: Support stack-swizzle
objtool,x86: Additionally decode: mov %rsp, (%reg)
x86/unwind/orc: Change REG_SP_INDIRECT
x86/power: Support objtool validation in hibernate_asm_64.S
x86/power: Move restore_registers() to top of the file
x86/power: Annotate indirect branches as safe
x86/acpi: Support objtool validation in wakeup_64.S
x86/acpi: Annotate indirect branch as safe
x86/ftrace: Support objtool vmlinux.o validation in ftrace_64.S
x86/xen/pvh: Annotate indirect branch as safe
x86/xen: Support objtool vmlinux.o validation in xen-head.S
x86/xen: Support objtool validation in xen-asm.S
objtool: Add xen_start_kernel() to noreturn list
objtool: Combine UNWIND_HINT_RET_OFFSET and UNWIND_HINT_FUNC
objtool: Add asm version of STACK_FRAME_NON_STANDARD
objtool: Assume only ELF functions do sibling calls
x86/ftrace: Add UNWIND_HINT_FUNC annotation for ftrace_stub
objtool: Support retpoline jump detection for vmlinux.o
objtool: Fix ".cold" section suffix check for newer versions of GCC
objtool: Fix retpoline detection in asm code
...
- Microsoft Surface devices System Aggregator Module support
- SW_TABLET_MODE reporting improvements
- thinkpad_acpi keyboard language setting support
- platform / DPTF profile settings support
- Base / userspace API parts merged from Rafael's acpi-platform branch
- thinkpad_acpi and ideapad-laptop support through pdx86
- Remove support for some obsolete Intel MID platforms through merging
of the shared intel-mid-removal branch
- Big cleanup of the ideapad-laptop driver
- Misc. other fixes / new hw support / quirks
The following is an automated git shortlog grouped by driver:
ACPI:
- platform-profile: Fix possible deadlock in platform_profile_remove()
- platform-profile: Introduce object pointers to callbacks
- platform-profile: Drop const qualifier for cur_profile
- platform: Add platform profile support
Documentation:
- Add documentation for new platform_profile sysfs attribute
Documentation/ABI:
- sysfs-platform-ideapad-laptop: conservation_mode attribute
- sysfs-platform-ideapad-laptop: update device attribute paths
Kconfig:
- add missing selects for ideapad-laptop
MAINTAINERS:
- update email address for Henrique de Moraes Holschuh
Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
- Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans:
- Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans
Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next:
- Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next
Move all dell drivers to their own subdirectory:
- Move all dell drivers to their own subdirectory
Platform:
- OLPC: Constify static struct regulator_ops
- OLPC: Specify the enable time
- OLPC: Remove dcon_rdev from olpc_ec_priv
- OLPC: Fix probe error handling
Revert "platform/x86:
- ideapad-laptop: Switch touchpad attribute to be RO"
acer-wmi:
- Don't use ACPI_EXCEPTION()
amd-pmc:
- put device on error paths
- Fix CONFIG_DEBUG_FS check
dell-wmi-sysman:
- fix a NULL pointer dereference
docs:
- driver-api: Add Surface Aggregator subsystem documentation
drm/gma500:
- Get rid of duplicate NULL checks
- Convert to use new SCU IPC API
gpio:
- msic: Remove driver for deprecated platform
- intel-mid: Remove driver for deprecated platform
hp-wmi:
- Disable tablet-mode reporting by default
- Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors
i2c-multi-instantiate:
- Don't create platform device for INT3515 ACPI nodes
ideapad-laptop:
- add "always on USB charging" control support
- add keyboard backlight control support
- send notification about touchpad state change to sysfs
- fix checkpatch warnings, more consistent style
- change 'cfg' debugfs file format
- change 'status' debugfs file format
- check for touchpad support in _CFG
- check for Fn-lock support in HALS
- rework is_visible() logic
- rework and create new ACPI helpers
- group and separate (un)related constants into enums
- misc. device attribute changes
- always propagate error codes from device attributes' show() callback
- convert ACPI helpers to return -EIO in case of failure
- use dev_{err,warn} or appropriate variant to display log messages
- use msecs_to_jiffies() helper instead of hand-crafted formula
- use for_each_set_bit() helper to simplify event processing
- use kobj_to_dev()
- use device_{add,remove}_group
- use sysfs_emit()
- add missing call to submodule destructor
- sort includes lexicographically
- use appropriately typed variable to store the return value of ACPI methods
- remove unnecessary NULL checks
- remove unnecessary dev_set_drvdata() call
- DYTC Platform profile support
- Disable touchpad_switch for ELAN0634
intel-vbtn:
- Eval VBDL after registering our notifier
- Add alternative method to enable switches
- Create 2 separate input-devs for buttons and switches
- Rework wakeup handling in notify_handler()
- Drop HP Stream x360 Convertible PC 11 from allow-list
- Support for tablet mode on Dell Inspiron 7352
intel_mid_powerbtn:
- Remove driver for deprecated platform
- Remove driver for deprecated platform
intel_mid_thermal:
- Remove driver for deprecated platform
- Remove driver for deprecated platform
intel_pmt:
- Make INTEL_PMT_CLASS non-user-selectable
intel_pmt_crashlog:
- Add dependency on MFD_INTEL_PMT
intel_pmt_telemetry:
- Add dependency on MFD_INTEL_PMT
intel_scu_ipc:
- Increase virtual timeout from 3 to 5 seconds
intel_scu_wdt:
- Drop mistakenly added const
- Get rid of custom x86 model comparison
- Drop SCU notification
- Move driver from arch/x86
msi-wmi:
- Fix variable 'status' set but not used compiler warning
platform/surface:
- aggregator: Fix access of unaligned value
- Add Surface Hot-Plug driver
- surface3-wmi: Fix variable 'status' set but not used compiler warning
- aggregator: Fix braces in if condition with unlikely() macro
- aggregator: Fix kernel-doc references
- aggregator: fix a kernel-doc markup
- aggregator_cdev: Add comments regarding unchecked allocation size
- aggregator_cdev: Fix access of uninitialized variables
- fix potential integer overflow on shift of a int
- Add Surface ACPI Notify driver
- Add Surface Aggregator user-space interface
- aggregator: Add dedicated bus and device type
- aggregator: Add error injection capabilities
- aggregator: Add trace points
- aggregator: Add event item allocation caching
- aggregator: Add control packet allocation caching
- Add Surface Aggregator subsystem
- SURFACE_PLATFORMS should depend on ACPI
- surface_gpe: Fix non-PM_SLEEP build warnings
platform/x86/intel-uncore-freq:
- Add Sapphire Rapids server support
rtc:
- mrst: Remove driver for deprecated platform
sony-laptop:
- Remove unneeded semicolon
thinkpad_acpi:
- Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
- Fix 'warning: no previous prototype for' warnings
- Add platform profile support
- fixed warning and incorporated review comments
- rectify length of title underline
- Don't register keyboard_lang unnecessarily
- set keyboard language
- Add P53/73 firmware to fan_quirk_table for dual fan control
- correct palmsensor error checking
tools/power/x86/intel-speed-select:
- Update version to 1.8
- Add new command to get/set TRL
- Add new command turbo-mode
- Set higher of cpuinfo_max_freq or base_frequency
- Set scaling_max_freq to base_frequency
touchscreen_dmi:
- Add info for the Jumper EZpad 7 tablet
- Add swap-x-y quirk for Goodix touchscreen on Estar Beauty HD tablet
watchdog:
- intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
- intel_scu_watchdog: Remove driver for deprecated platform
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Merge tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
- Microsoft Surface devices System Aggregator Module support
- SW_TABLET_MODE reporting improvements
- thinkpad_acpi keyboard language setting support
- platform / DPTF profile settings support:
- Base / userspace API parts merged from Rafael's acpi-platform
branch
- thinkpad_acpi and ideapad-laptop support through pdx86
- Remove support for some obsolete Intel MID platforms through
merging of the shared intel-mid-removal branch
- Big cleanup of the ideapad-laptop driver
- Misc other fixes / new hw support / quirks"
* tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (99 commits)
platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds
platform/surface: aggregator: Fix access of unaligned value
tools/power/x86/intel-speed-select: Update version to 1.8
tools/power/x86/intel-speed-select: Add new command to get/set TRL
tools/power/x86/intel-speed-select: Add new command turbo-mode
Platform: OLPC: Constify static struct regulator_ops
platform/surface: Add Surface Hot-Plug driver
platform/x86: intel_scu_wdt: Drop mistakenly added const
platform/x86: Kconfig: add missing selects for ideapad-laptop
platform/x86: acer-wmi: Don't use ACPI_EXCEPTION()
platform/x86: thinkpad_acpi: Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
platform/x86: thinkpad_acpi: Fix 'warning: no previous prototype for' warnings
platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning
platform/surface: surface3-wmi: Fix variable 'status' set but not used compiler warning
platform/x86: Move all dell drivers to their own subdirectory
Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute
Documentation/ABI: sysfs-platform-ideapad-laptop: update device attribute paths
platform/x86: ideapad-laptop: add "always on USB charging" control support
platform/x86: ideapad-laptop: add keyboard backlight control support
platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs
...
(FNINIT) explicitly when using the FPU + cleanups.
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Merge tag 'x86_fpu_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FPU updates from Borislav Petkov:
"x86 fpu usage optimization and cleanups:
- make 64-bit kernel code which uses 387 insns request a x87 init
(FNINIT) explicitly when using the FPU
- misc cleanups"
* tag 'x86_fpu_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu/xstate: Use sizeof() instead of a constant
x86/fpu/64: Don't FNINIT in kernel_fpu_begin()
x86/fpu: Make the EFI FPU calling convention explicit
- Another initial cleanup - more to follow - to the fault handling code.
- Other minor cleanups and corrections.
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Merge tag 'x86_mm_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm cleanups from Borislav Petkov:
- PTRACE_GETREGS/PTRACE_PUTREGS regset selection cleanup
- Another initial cleanup - more to follow - to the fault handling
code.
- Other minor cleanups and corrections.
* tag 'x86_mm_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/{fault,efi}: Fix and rename efi_recover_from_page_fault()
x86/fault: Don't run fixups for SMAP violations
x86/fault: Don't look for extable entries for SMEP violations
x86/fault: Rename no_context() to kernelmode_fixup_or_oops()
x86/fault: Bypass no_context() for implicit kernel faults from usermode
x86/fault: Split the OOPS code out from no_context()
x86/fault: Improve kernel-executing-user-memory handling
x86/fault: Correct a few user vs kernel checks wrt WRUSS
x86/fault: Document the locking in the fault_signal_pending() path
x86/fault/32: Move is_f00f_bug() to do_kern_addr_fault()
x86/fault: Fold mm_fault_error() into do_user_addr_fault()
x86/fault: Skip the AMD erratum #91 workaround on unaffected CPUs
x86/fault: Fix AMD erratum #91 errata fixup for user code
x86/Kconfig: Remove HPET_EMULATE_RTC depends on RTC
x86/asm: Fixup TASK_SIZE_MAX comment
x86/ptrace: Clean up PTRACE_GETREGS/PTRACE_PUTREGS regset selection
x86/vm86/32: Remove VM86_SCREEN_BITMAP support
x86: Remove definition of DEBUG
x86/entry: Remove now unused do_IRQ() declaration
x86/mm: Remove duplicate definition of _PAGE_PAT_LARGE
...
descriptor table.
- Remove arch/x86/platform/goldfish as it is not used by the android emulator
anymore.
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Merge tag 'x86_platform_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Borislav Petkov:
- Convert geode drivers to look up the LED controls from a GPIO machine
descriptor table.
- Remove arch/x86/platform/goldfish as it is not used by the android
emulator anymore.
* tag 'x86_platform_for_v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/geode: Convert alix LED to GPIO machine descriptor
x86/platform/geode: Convert geode LED to GPIO machine descriptor
x86/platform/geode: Convert net5501 LED to GPIO machine descriptor
x86/platform: Retire arch/x86/platform/goldfish
x86/platform/intel-mid: Convert comma to semicolon
A few cleanups left and right, some of which were part of a initrd
measured boot series that needs some more work, and so only the cleanup
patches have been included for this release.
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Merge tag 'efi-next-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ard Biesheuvel via Borislav Petkov:
"A few cleanups left and right, some of which were part of a initrd
measured boot series that needs some more work, and so only the
cleanup patches have been included for this release"
* tag 'efi-next-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/arm64: Update debug prints to reflect other entropy sources
efi: x86: clean up previous struct mm switching
efi: x86: move mixed mode stack PA variable out of 'efi_scratch'
efi/libstub: move TPM related prototypes into efistub.h
efi/libstub: fix prototype of efi_tcg2_protocol::get_event_log()
efi/libstub: whitespace cleanup
efi: ia64: move IA64-only declarations to new asm/efi.h header
Update Copyright year and drop file names from files themselves.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since there is no more user of this global variable and associated custom API,
we may safely drop this legacy reinvented a wheel from the kernel sources.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The header is used by a single user. Move header content to that user.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
SFI-based platforms are gone. So does this framework.
This removes mention of SFI through the drivers and other code as well.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
efi_recover_from_page_fault() doesn't recover -- it does a special EFI
mini-oops. Rename it to make it clear that it crashes.
While renaming it, I noticed a blatant bug: a page fault oops in a
different thread happening concurrently with an EFI runtime service call
would be misinterpreted as an EFI page fault. Fix that.
This isn't quite exact. The situation could be improved by using a
special CS for calls into EFI.
[ bp: Massage commit message and simplify in interrupt check. ]
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/f43b1e80830dc78ed60ed8b0826f4f189254570c.1612924255.git.luto@kernel.org
Intel Moorestown and Medfield are quite old Intel Atom based
32-bit platforms, which were in limited use in some Android phones,
tablets and consumer electronics more than eight years ago.
There are no bugs or problems ever reported outside from Intel
for breaking any of that platforms for years. It seems no real
users exists who run more or less fresh kernel on it. Commit
05f4434bc130 ("ASoC: Intel: remove mfld_machine") is also in align
with this theory.
Due to above and to reduce a burden of supporting outdated drivers,
remove the support for outdated platforms completely.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is no driver present, remove the device creation and other
leftovers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is no driver present, remove the device creation and other
leftovers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is no driver present, remove the device creation and other
leftovers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is no driver present, remove the device creation and other
leftovers.
Note, for Intel Merrifield there is another driver which is
instantiated by a certain MFD one and does not need any support from
device_libs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is no driver present, remove the device creation and other
leftovers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
It seems msic_battery driver was never upstreamed.
Why should we have dead code in the kernel?
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
It seems msic_ocd driver was never upstreamed.
Why should we have dead code in the kernel?
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 05f4434bc130 ("ASoC: Intel: remove mfld_machine") removed the
driver, no need to have support files for it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
First part of Intel MID outdated platforms removal.
The following is an automated git shortlog grouped by driver:
drm/gma500:
- Get rid of duplicate NULL checks
- Convert to use new SCU IPC API
gpio:
- msic: Remove driver for deprecated platform
- intel-mid: Remove driver for deprecated platform
intel_mid_powerbtn:
- Remove driver for deprecated platform
intel_mid_thermal:
- Remove driver for deprecated platform
intel_scu_wdt:
- Drop mistakenly added const
- Get rid of custom x86 model comparison
- Drop SCU notification
- Move driver from arch/x86
rtc:
- mrst: Remove driver for deprecated platform
watchdog:
- intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
- intel_scu_watchdog: Remove driver for deprecated platform
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Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-2' of git://git.infradead.org/linux-platform-drivers-x86
Pull the first part of Intel MID outdated platforms removal from Andy
Shevchenko:
"The following is an automated git shortlog grouped by driver:
drm/gma500:
- Get rid of duplicate NULL checks
- Convert to use new SCU IPC API
gpio:
- msic: Remove driver for deprecated platform
- intel-mid: Remove driver for deprecated platform
intel_mid_powerbtn:
- Remove driver for deprecated platform
intel_mid_thermal:
- Remove driver for deprecated platform
intel_scu_wdt:
- Drop mistakenly added const
- Get rid of custom x86 model comparison
- Drop SCU notification
- Move driver from arch/x86
rtc:
- mrst: Remove driver for deprecated platform
watchdog:
- intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
- intel_scu_watchdog: Remove driver for deprecated platform"
* tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: intel_scu_wdt: Drop mistakenly added const
platform/x86: intel_scu_wdt: Get rid of custom x86 model comparison
platform/x86: intel_scu_wdt: Drop SCU notification
platform/x86: intel_scu_wdt: Move driver from arch/x86
watchdog: intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
watchdog: intel_scu_watchdog: Remove driver for deprecated platform
rtc: mrst: Remove driver for deprecated platform
platform/x86: intel_mid_powerbtn: Remove driver for deprecated platform
platform/x86: intel_mid_thermal: Remove driver for deprecated platform
gpio: msic: Remove driver for deprecated platform
gpio: intel-mid: Remove driver for deprecated platform
drm/gma500: Get rid of duplicate NULL checks
drm/gma500: Convert to use new SCU IPC API
With CONFIG_X86_5LEVEL, CONFIG_UBSAN and CONFIG_UBSAN_UNSIGNED_OVERFLOW
enabled, clang fails the build with
x86_64-linux-ld: arch/x86/platform/efi/efi_64.o: in function `efi_sync_low_kernel_mappings':
efi_64.c:(.text+0x22c): undefined reference to `__compiletime_assert_354'
which happens due to -fsanitize=unsigned-integer-overflow being enabled:
-fsanitize=unsigned-integer-overflow: Unsigned integer overflow, where
the result of an unsigned integer computation cannot be represented
in its type. Unlike signed integer overflow, this is not undefined
behavior, but it is often unintentional. This sanitizer does not check
for lossy implicit conversions performed before such a computation
(see -fsanitize=implicit-conversion).
and that fires when the (intentional) EFI_VA_START/END defines overflow
an unsigned long, leading to the assertion expressions not getting
optimized away (on GCC they do)...
However, those checks are superfluous: the runtime services mapping
code already makes sure the ranges don't overshoot EFI_VA_END as the
EFI mapping range is hardcoded. On each runtime services call, it is
switched to the EFI-specific PGD and even if mappings manage to escape
that last PGD, this won't remain unnoticed for long.
So rip them out.
See https://github.com/ClangBuiltLinux/linux/issues/256 for more info.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: http://lkml.kernel.org/r/20210107223424.4135538-1-arnd@kernel.org
EFI uses kernel_fpu_begin() to conform to the UEFI calling convention.
This specifically requires initializing FCW (FPU Control Word), whereas
no sane 64-bit kernel code should use legacy 387 operations that
reference FCW.
This should allow to safely change the default semantics of
kernel_fpu_begin() to stop initializing FCW on 64-bit kernels.
[ bp: Massage commit message a little. ]
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/25d392fff64680e0f4bb8cf0b1003314dc29eafe.1611205691.git.luto@kernel.org
The ACPI-enabled Intel MID platforms neither have WDAT table nor proper IDs
to instantiate watchdog device. In order to keep them working move the board
code from arch/x86 to drivers/platform/x86.
Note, the complete SFI support is going to be removed, that's why PDx86
has been chosen as a new home for it. This is the only device which needs
additional code so far.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
EFI on x86_64 keeps track of the process's MM pointer by storing it
in a global struct called 'efi_scratch', which also used to contain
the mixed mode stack pointer. Let's clean this up a little bit, by
getting rid of the struct, and pushing the mm handling into the
callees entirely.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
As a first step to removing the awkward 'struct efi_scratch' definition
that conveniently combines the storage of the mixed mode stack pointer
with the MM pointer variable that records the task's MM pointer while it
is being replaced with the EFI MM one, move the mixed mode stack pointer
into a separate variable.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Look up the LED from a GPIO machine descriptor table. The Geode LEDs
should be on the CS5535 companion chip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lkml.kernel.org/r/20201124085339.6181-3-linus.walleij@linaro.org
Look up the LED from a GPIO machine descriptor table. The Geode LEDs
should be on the CS5535 companion chip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lkml.kernel.org/r/20201124085339.6181-2-linus.walleij@linaro.org
Look up the LED from a GPIO machine descriptor table. The Geode LEDs
should be on the CS5535 companion chip.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lkml.kernel.org/r/20201124085339.6181-1-linus.walleij@linaro.org
The Android Studio Emulator (aka goldfish) does not use
arch/x86/platform/goldfish since 5.4 kernel.
Signed-off-by: Roman Kiryanov <rkir@google.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20201117025522.1874864-1-rkir@google.com
Replace a comma between expression statements with a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lkml.kernel.org/r/20201216131107.14339-1-zhengyongjun3@huawei.com
- Simplification and distangling of the MSI related functionality
- Let IO/APIC construct the RTE entries from an MSI message instead of
having IO/APIC specific code in the interrupt remapping drivers
- Make the retrieval of the parent interrupt domain (vector or remap
unit) less hardcoded and use the relevant irqdomain callbacks for
selection.
- Allow the handling of more than 255 CPUs without a virtualized IOMMU
when the hypervisor supports it. This has made been possible by the
above modifications and also simplifies the existing workaround in the
HyperV specific virtual IOMMU.
- Cleanup of the historical timer_works() irq flags related
inconsistencies.
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Merge tag 'x86-apic-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic updates from Thomas Gleixner:
"Yet another large set of x86 interrupt management updates:
- Simplification and distangling of the MSI related functionality
- Let IO/APIC construct the RTE entries from an MSI message instead
of having IO/APIC specific code in the interrupt remapping drivers
- Make the retrieval of the parent interrupt domain (vector or remap
unit) less hardcoded and use the relevant irqdomain callbacks for
selection.
- Allow the handling of more than 255 CPUs without a virtualized
IOMMU when the hypervisor supports it. This has made been possible
by the above modifications and also simplifies the existing
workaround in the HyperV specific virtual IOMMU.
- Cleanup of the historical timer_works() irq flags related
inconsistencies"
* tag 'x86-apic-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
x86/ioapic: Cleanup the timer_works() irqflags mess
iommu/hyper-v: Remove I/O-APIC ID check from hyperv_irq_remapping_select()
iommu/amd: Fix IOMMU interrupt generation in X2APIC mode
iommu/amd: Don't register interrupt remapping irqdomain when IR is disabled
iommu/amd: Fix union of bitfields in intcapxt support
x86/ioapic: Correct the PCI/ISA trigger type selection
x86/ioapic: Use I/O-APIC ID for finding irqdomain, not index
x86/hyperv: Enable 15-bit APIC ID if the hypervisor supports it
x86/kvm: Enable 15-bit extension when KVM_FEATURE_MSI_EXT_DEST_ID detected
iommu/hyper-v: Disable IRQ pseudo-remapping if 15 bit APIC IDs are available
x86/apic: Support 15 bits of APIC ID in MSI where available
x86/ioapic: Handle Extended Destination ID field in RTE
iommu/vt-d: Simplify intel_irq_remapping_select()
x86: Kill all traces of irq_remapping_get_irq_domain()
x86/ioapic: Use irq_find_matching_fwspec() to find remapping irqdomain
x86/hpet: Use irq_find_matching_fwspec() to find remapping irqdomain
iommu/hyper-v: Implement select() method on remapping irqdomain
iommu/vt-d: Implement select() method on remapping irqdomain
iommu/amd: Implement select() method on remapping irqdomain
x86/apic: Add select() method on vector irqdomain
...
Add additional uv_bios_call() variant functions to expose information
needed by the new uv_sysfs driver. This includes the addition of several
new data types defined by UV BIOS and used in the new functions.
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/20201125175444.279074-3-justin.ernst@hpe.com
Remove existing interface at /sys/firmware/sgi_uv/, created by
arch/x86/platform/uv/uv_sysfs.c
This interface includes:
/sys/firmware/sgi_uv/coherence_id
/sys/firmware/sgi_uv/partition_id
Both coherence_id and partition_id will be re-introduced via a
new uv_sysfs driver.
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/20201125175444.279074-2-justin.ernst@hpe.com
Commit
d9e9a6418065 ("x86/mm/pti: Allocate a separate user PGD")
changed the PGD allocation to allocate PGD_ALLOCATION_ORDER pages, so in
the error path it should be freed using free_pages() rather than
free_page().
Commit
06ace26f4e6f ("x86/efi: Free efi_pgd with free_pages()")
fixed one instance of this, but missed another.
Move the freeing out-of-line to avoid code duplication and fix this bug.
Fixes: d9e9a6418065 ("x86/mm/pti: Allocate a separate user PGD")
Link: https://lore.kernel.org/r/20201110163919.1134431-1-nivedita@alum.mit.edu
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
apic::irq_dest_mode is actually a boolean, but defined as u32 and named in
a way which does not explain what it means.
Make it a boolean and rename it to 'dest_mode_logical'
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201024213535.443185-9-dwmw2@infradead.org
The enum ioapic_irq_destination_types and the enumerated constants starting
with 'dest_' are gross misnomers because they describe the delivery mode.
Rename then enum and the constants so they actually make sense.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201024213535.443185-6-dwmw2@infradead.org
Use a more generic form for __section that requires quotes to avoid
complications with clang and gcc differences.
Remove the quote operator # from compiler_attributes.h __section macro.
Convert all unquoted __section(foo) uses to quoted __section("foo").
Also convert __attribute__((section("foo"))) uses to __section("foo")
even if the __attribute__ has multiple list entry forms.
Conversion done using the script at:
https://lore.kernel.org/lkml/75393e5ddc272dc7403de74d645e6c6e0f4e70eb.camel@perches.com/2-convert_section.pl
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@gooogle.com>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
called SEV by also encrypting the guest register state, making the
registers inaccessible to the hypervisor by en-/decrypting them on world
switches. Thus, it adds additional protection to Linux guests against
exfiltration, control flow and rollback attacks.
With SEV-ES, the guest is in full control of what registers the
hypervisor can access. This is provided by a guest-host exchange
mechanism based on a new exception vector called VMM Communication
Exception (#VC), a new instruction called VMGEXIT and a shared
Guest-Host Communication Block which is a decrypted page shared between
the guest and the hypervisor.
Intercepts to the hypervisor become #VC exceptions in an SEV-ES guest so
in order for that exception mechanism to work, the early x86 init code
needed to be made able to handle exceptions, which, in itself, brings
a bunch of very nice cleanups and improvements to the early boot code
like an early page fault handler, allowing for on-demand building of the
identity mapping. With that, !KASLR configurations do not use the EFI
page table anymore but switch to a kernel-controlled one.
The main part of this series adds the support for that new exchange
mechanism. The goal has been to keep this as much as possibly
separate from the core x86 code by concentrating the machinery in two
SEV-ES-specific files:
arch/x86/kernel/sev-es-shared.c
arch/x86/kernel/sev-es.c
Other interaction with core x86 code has been kept at minimum and behind
static keys to minimize the performance impact on !SEV-ES setups.
Work by Joerg Roedel and Thomas Lendacky and others.
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Merge tag 'x86_seves_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SEV-ES support from Borislav Petkov:
"SEV-ES enhances the current guest memory encryption support called SEV
by also encrypting the guest register state, making the registers
inaccessible to the hypervisor by en-/decrypting them on world
switches. Thus, it adds additional protection to Linux guests against
exfiltration, control flow and rollback attacks.
With SEV-ES, the guest is in full control of what registers the
hypervisor can access. This is provided by a guest-host exchange
mechanism based on a new exception vector called VMM Communication
Exception (#VC), a new instruction called VMGEXIT and a shared
Guest-Host Communication Block which is a decrypted page shared
between the guest and the hypervisor.
Intercepts to the hypervisor become #VC exceptions in an SEV-ES guest
so in order for that exception mechanism to work, the early x86 init
code needed to be made able to handle exceptions, which, in itself,
brings a bunch of very nice cleanups and improvements to the early
boot code like an early page fault handler, allowing for on-demand
building of the identity mapping. With that, !KASLR configurations do
not use the EFI page table anymore but switch to a kernel-controlled
one.
The main part of this series adds the support for that new exchange
mechanism. The goal has been to keep this as much as possibly separate
from the core x86 code by concentrating the machinery in two
SEV-ES-specific files:
arch/x86/kernel/sev-es-shared.c
arch/x86/kernel/sev-es.c
Other interaction with core x86 code has been kept at minimum and
behind static keys to minimize the performance impact on !SEV-ES
setups.
Work by Joerg Roedel and Thomas Lendacky and others"
* tag 'x86_seves_for_v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (73 commits)
x86/sev-es: Use GHCB accessor for setting the MMIO scratch buffer
x86/sev-es: Check required CPU features for SEV-ES
x86/efi: Add GHCB mappings when SEV-ES is active
x86/sev-es: Handle NMI State
x86/sev-es: Support CPU offline/online
x86/head/64: Don't call verify_cpu() on starting APs
x86/smpboot: Load TSS and getcpu GDT entry before loading IDT
x86/realmode: Setup AP jump table
x86/realmode: Add SEV-ES specific trampoline entry point
x86/vmware: Add VMware-specific handling for VMMCALL under SEV-ES
x86/kvm: Add KVM-specific VMMCALL handling under SEV-ES
x86/paravirt: Allow hypervisor-specific VMMCALL handling under SEV-ES
x86/sev-es: Handle #DB Events
x86/sev-es: Handle #AC Events
x86/sev-es: Handle VMMCALL Events
x86/sev-es: Handle MWAIT/MWAITX Events
x86/sev-es: Handle MONITOR/MONITORX Events
x86/sev-es: Handle INVD Events
x86/sev-es: Handle RDPMC Events
x86/sev-es: Handle RDTSC(P) Events
...
crash information. (Thomas Gleixner)
- Remove an unused variable in the UV5 code which was triggering a build
warning with clang. (Mike Travis)
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Merge tag 'x86_urgent_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix the #DE oops message string format which confused tools parsing
crash information (Thomas Gleixner)
- Remove an unused variable in the UV5 code which was triggering a
build warning with clang (Mike Travis)
* tag 'x86_urgent_for_v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/uv: Remove unused variable in UV5 NMI handler
x86/traps: Fix #DE Oops message regression
- Preliminary RISC-V enablement - the bulk of it will arrive via the RISCV tree.
- Relax decompressed image placement rules for 32-bit ARM
- Add support for passing MOK certificate table contents via a config table
rather than a EFI variable.
- Add support for 18 bit DIMM row IDs in the CPER records.
- Work around broken Dell firmware that passes the entire Boot#### variable
contents as the command line
- Add definition of the EFI_MEMORY_CPU_CRYPTO memory attribute so we can
identify it in the memory map listings.
- Don't abort the boot on arm64 if the EFI RNG protocol is available but
returns with an error
- Replace slashes with exclamation marks in efivarfs file names
- Split efi-pstore from the deprecated efivars sysfs code, so we can
disable the latter on !x86.
- Misc fixes, cleanups and updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI changes from Ingo Molnar:
- Preliminary RISC-V enablement - the bulk of it will arrive via the
RISCV tree.
- Relax decompressed image placement rules for 32-bit ARM
- Add support for passing MOK certificate table contents via a config
table rather than a EFI variable.
- Add support for 18 bit DIMM row IDs in the CPER records.
- Work around broken Dell firmware that passes the entire Boot####
variable contents as the command line
- Add definition of the EFI_MEMORY_CPU_CRYPTO memory attribute so we
can identify it in the memory map listings.
- Don't abort the boot on arm64 if the EFI RNG protocol is available
but returns with an error
- Replace slashes with exclamation marks in efivarfs file names
- Split efi-pstore from the deprecated efivars sysfs code, so we can
disable the latter on !x86.
- Misc fixes, cleanups and updates.
* tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
efi: mokvar: add missing include of asm/early_ioremap.h
efi: efivars: limit availability to X86 builds
efi: remove some false dependencies on CONFIG_EFI_VARS
efi: gsmi: fix false dependency on CONFIG_EFI_VARS
efi: efivars: un-export efivars_sysfs_init()
efi: pstore: move workqueue handling out of efivars
efi: pstore: disentangle from deprecated efivars module
efi: mokvar-table: fix some issues in new code
efi/arm64: libstub: Deal gracefully with EFI_RNG_PROTOCOL failure
efivarfs: Replace invalid slashes with exclamation marks in dentries.
efi: Delete deprecated parameter comments
efi/libstub: Fix missing-prototypes in string.c
efi: Add definition of EFI_MEMORY_CPU_CRYPTO and ability to report it
cper,edac,efi: Memory Error Record: bank group/address and chip id
edac,ghes,cper: Add Row Extension to Memory Error Record
efi/x86: Add a quirk to support command line arguments on Dell EFI firmware
efi/libstub: Add efi_warn and *_once logging helpers
integrity: Load certs from the EFI MOK config table
integrity: Move import of MokListRT certs to a separate routine
efi: Support for MOK variable config table
...
devices which require non-PCI based MSI handling.
- Cleanup historical leftovers all over the place
- Rework the code to utilize more core functionality
- Wrap XEN PCI/MSI interrupts into an irqdomain to make irqdomain
assignment to PCI devices possible.
- Assign irqdomains to PCI devices at initialization time which allows
to utilize the full functionality of hierarchical irqdomains.
- Remove arch_.*_msi_irq() functions from X86 and utilize the irqdomain
which is assigned to the device for interrupt management.
- Make the arch_.*_msi_irq() support conditional on a config switch and
let the last few users select it.
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Merge tag 'x86-irq-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 irq updates from Thomas Gleixner:
"Surgery of the MSI interrupt handling to prepare the support of
upcoming devices which require non-PCI based MSI handling:
- Cleanup historical leftovers all over the place
- Rework the code to utilize more core functionality
- Wrap XEN PCI/MSI interrupts into an irqdomain to make irqdomain
assignment to PCI devices possible.
- Assign irqdomains to PCI devices at initialization time which
allows to utilize the full functionality of hierarchical
irqdomains.
- Remove arch_.*_msi_irq() functions from X86 and utilize the
irqdomain which is assigned to the device for interrupt management.
- Make the arch_.*_msi_irq() support conditional on a config switch
and let the last few users select it"
* tag 'x86-irq-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
PCI: MSI: Fix Kconfig dependencies for PCI_MSI_ARCH_FALLBACKS
x86/apic/msi: Unbreak DMAR and HPET MSI
iommu/amd: Remove domain search for PCI/MSI
iommu/vt-d: Remove domain search for PCI/MSI[X]
x86/irq: Make most MSI ops XEN private
x86/irq: Cleanup the arch_*_msi_irqs() leftovers
PCI/MSI: Make arch_.*_msi_irq[s] fallbacks selectable
x86/pci: Set default irq domain in pcibios_add_device()
iommm/amd: Store irq domain in struct device
iommm/vt-d: Store irq domain in struct device
x86/xen: Wrap XEN MSI management into irqdomain
irqdomain/msi: Allow to override msi_domain_alloc/free_irqs()
x86/xen: Consolidate XEN-MSI init
x86/xen: Rework MSI teardown
x86/xen: Make xen_msi_init() static and rename it to xen_hvm_msi_init()
PCI/MSI: Provide pci_dev_has_special_msi_domain() helper
PCI_vmd_Mark_VMD_irqdomain_with_DOMAIN_BUS_VMD_MSI
irqdomain/msi: Provide DOMAIN_BUS_VMD_MSI
x86/irq: Initialize PCI/MSI domain at PCI init time
x86/pci: Reducde #ifdeffery in PCI init code
...
The UV NMI MMR addresses and fields moved between UV4 and UV5
necessitating a rewrite of the UV NMI handler. Adjust references
to accommodate those changes.
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Dimitri Sivanich <dimitri.sivanich@hpe.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lkml.kernel.org/r/20201005203929.148656-13-mike.travis@hpe.com
When the UV BIOS starts the kernel it passes the UVsystab info struct to
the kernel which contains information elements more specific than ACPI,
and generally pertinent only to the MMRs. These are read only fields
so information is passed one way only. A new field starting with UV5 is
the UV architecture type so the ACPI OEM_ID field can be used for other
purposes going forward. The UV Arch Type selects the entirety of the
MMRs available, with their addresses and fields defined in uv_mmrs.h.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Dimitri Sivanich <dimitri.sivanich@hpe.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lkml.kernel.org/r/20201005203929.148656-7-mike.travis@hpe.com
Update UV MMRs in uv_mmrs.h for UV5 based on Verilog output from the
UV Hub hardware design files. This is the next UV architecture with
a new class (UVY) being defined for 52 bit physical address masks.
Uses a bitmask for UV arch identification so a single test can cover
multiple versions. Includes other adjustments to match the uv_mmrs.h
file to keep from encountering compile errors. New UV5 functionality
is added in the patches that follow.
[ Fix W=1 build warnings. ]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lkml.kernel.org/r/20201005203929.148656-5-mike.travis@hpe.com
