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Add a new sysfs entry /sys/firmware/ps3/fw-version that exports
the PS3's firmware version.
The firmware version is available through an LV1 hypercall, and we've
been printing it to the boot log, but haven't provided an easy way for
user utilities to get it.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/41509b2da647cd34b1331cc4756c8774b1e284eb.1622822173.git.geoff@infradead.org
A change in clang 13 results in the __lwsync macro being defined as
__builtin_ppc_lwsync, which emits 'lwsync' or 'msync' depending on what
the target supports. This breaks the build because of -Werror in
arch/powerpc, along with thousands of warnings:
In file included from arch/powerpc/kernel/pmc.c:12:
In file included from include/linux/bug.h:5:
In file included from arch/powerpc/include/asm/bug.h:109:
In file included from include/asm-generic/bug.h:20:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:32:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: error: '__lwsync' macro redefined [-Werror,-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:308:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
1 error generated.
Undefine this macro so that the runtime patching introduced by
commit 2d1b2027626d ("powerpc: Fixup lwsync at runtime") continues to
work properly with clang and the build no longer breaks.
Cc: stable@vger.kernel.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://github.com/ClangBuiltLinux/linux/issues/1386
Link: 62b5df7fe2
Link: https://lore.kernel.org/r/20210528182752.1852002-1-nathan@kernel.org
hvterm_raw_put_chars() calls hvc_put_chars(), which may return -EAGAIN
when the underlying hcall returns a "busy" status, but udbg_hvc_putc()
doesn't handle this. When using xmon on a PowerVM guest, this can
result in incomplete or garbled output when printing relatively large
amounts of data quickly, such as when dumping the kernel log buffer.
Call again on -EAGAIN.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210514214422.3019105-1-nathanl@linux.ibm.com
Log buffer entries that are too long for dump_log_buf()'s small
local buffer are:
* silently discarded when a single-line entry is too long;
kmsg_dump_get_line() returns true but sets &len to 0.
* silently truncated to the last fitting new line when a multi-line
entry is too long, e.g. register dumps from __show_regs(); this
seems undetectable via the kmsg_dump API.
xmon_printf()'s internal buffer is already 1KB; enlarge
dump_log_buf()'s own buffer to match and make it statically
allocated. Verified that this allows complete printing of register
dumps on ppc64le with both CONFIG_PRINTK_TIME=y and
CONFIG_PRINTK_CALLER=y.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210514162420.2911458-1-nathanl@linux.ibm.com
Commit 51c9c0843993 ("powerpc/kprobes: Implement Optprobes")
implemented a powerpc specific version of optinsn in order
to workaround the 32Mb limitation for direct branches.
Instead of implementing a dedicated powerpc version, use the
common optinsn and override the allocation and freeing functions.
This also indirectly remove the CLANG warning about
is_kprobe_ppc_optinsn_slot() not being use, and the powerpc will
now benefit from commit 5b485629ba0d ("kprobes, extable: Identify
kprobes trampolines as kernel text area")
Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ec5e85f9f9abcfecc959a03495f4a7858eb4d203.1620896780.git.christophe.leroy@csgroup.eu
Some architectures like powerpc require a non standard
allocation of optinsn page, because module pages are
too far from the kernel for direct branches.
Define weak alloc_optinsn_page() and free_optinsn_page(), that
fall back on alloc_insn_page() and free_insn_page() when not
overridden by the architecture.
Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/40a43d6df1fdf41ade36e9a46e60a4df774ca9f6.1620896780.git.christophe.leroy@csgroup.eu
Make it easier to generate a 32 or 64-bit specific randconfig.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Requested-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210428132700.3426100-1-mpe@ellerman.id.au
We don't need the 'lmbs_available' variable to count the valid LMBs and
to check if we have less than 'lmbs_to_remove'. We must ensure that the
entire LMB range must be removed, so we can error out immediately if any
LMB in the range is marked as reserved.
Add a couple of comments explaining the reasoning behind the differences
we have in this function in contrast to what it is done in its sister
function, dlpar_memory_remove_by_count().
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210512202809.95363-5-danielhb413@gmail.com
After marking the LMBs as reserved depending on dlpar_remove_lmb() rc,
we evaluate whether we need to add the LMBs back or if we can release
the LMB DRCs. In both cases, a for_each_drmem_lmb() loop without a break
condition is used. This means that we're going to cycle through all LMBs
of the partition even after we're done with what we were going to do.
This patch adds break conditions in both loops to avoid this. The
'lmbs_removed' variable was renamed to 'lmbs_reserved', and it's now
being decremented each time a lmb reservation is removed, indicating
that the operation we're doing (adding back LMBs or releasing DRCs) is
completed.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210512202809.95363-4-danielhb413@gmail.com
DRCONF_MEM_RESERVED is a flag that represents the "Reserved Memory"
status in LOPAR v2.10, section 4.2.8. If a LMB is marked as reserved,
quoting LOPAR, "is not to be used or altered by the base OS". This flag
is read only in the kernel, being set by the firmware/hypervisor in the
DT. As an example, QEMU will set this flag in hw/ppc/spapr.c,
spapr_dt_dynamic_memory().
lmb_is_removable() does not check for DRCONF_MEM_RESERVED. This function
is used in dlpar_remove_lmb() as a guard before the removal logic. Since
it is failing to check for !RESERVED, dlpar_remove_lmb() will fail in a
later stage instead of failing in the validation when receiving a
reserved LMB as input.
lmb_is_removable() is also used in dlpar_memory_remove_by_count() to
evaluate if we have enough LMBs to complete the request. The missing
!RESERVED check in this case is causing dlpar_memory_remove_by_count()
to miscalculate the number of elegible LMBs for the removal, and can
make it error out later on instead of failing in the validation with the
'not enough LMBs to satisfy request' message.
Making a DRCONF_MEM_RESERVED check in lmb_is_removable() fixes all these
issues.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210512202809.95363-3-danielhb413@gmail.com
As previously done in dlpar_cpu_remove() for CPUs, this patch changes
dlpar_memory_remove_by_ic() to unisolate the LMB DRC when the LMB is
failed to be removed. The hypervisor, seeing a LMB DRC that was supposed
to be removed being unisolated instead, can do error recovery on its
side.
This change is done in dlpar_memory_remove_by_ic() only because, as of
today, only QEMU is using this code path for error recovery (via the
PSERIES_HP_ELOG_ID_DRC_IC event). phyp treats it as a no-op.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210512202809.95363-2-danielhb413@gmail.com
The statement of the last "if (xxx)" branch is the same as the "else"
branch. Delete it to simplify code.
No functional change.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210510131924.3907-1-thunder.leizhen@huawei.com
Clean up the following includecheck warning:
./tools/testing/selftests/powerpc/tm/tm-vmx-unavail.c: pthread.h is
included more than once.
No functional change.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1620903820-68213-1-git-send-email-jiapeng.chong@linux.alibaba.com
dlpar_memory_remove() is never used, so can be removed.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210514071041.17432-1-yuehaibing@huawei.com
We recently discovered some of our mitigation patching was not safe
against other CPUs running concurrently.
Add a test which enable/disables all mitigations in a tight loop while
also running some stress load. On an unpatched system this almost always
leads to an oops and panic/reboot, but we also check if the kernel
becomes tainted in case we have a non-fatal oops.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210507064225.1556312-1-mpe@ellerman.id.au
In most cases, kuap_update_sr() will update a single segment
register.
We know that first update will always be done, if there is no
segment register to update at all, kuap_update_sr() is not
called.
Avoid recurring calculations and tests in that case.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/848f18d213b8341939add7302dc4ef80cc7a12e3.1620307636.git.christophe.leroy@csgroup.eu
Commit 39c8bf2b3cc1 ("powerpc: Retire e200 core (mpc555x processor)")
removed CONFIG_E200.
Commit f9158d58a4e1 ("powerpc/mm: Add mask of always present MMU
features") was merged in the same cycle and added a new use of
CONFIG_E200.
Remove that use.
Fixes: f9158d58a4e1 ("powerpc/mm: Add mask of always present MMU features")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/594fa3cc0df11e21644fd6a584851ae4f164b2bf.1620367249.git.christophe.leroy@csgroup.eu
mmu_has_feature(MMU_FTR_TYPE_RADIX) can be evaluated regardless of
CONFIG_PPC_RADIX_MMU.
When CONFIG_PPC_RADIX_MMU is not set, mmu_has_feature(MMU_FTR_TYPE_RADIX)
will evaluate to 'false' at build time because MMU_FTR_TYPE_RADIX
wont be included in MMU_FTRS_POSSIBLE.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/62743846cbd493e5d9a02e197c2672a1d30df149.1620366342.git.christophe.leroy@csgroup.eu
The SW LRU is in an MMU feature section. When not used, that's a
dozen of NOPs to fetch for nothing.
Define an ALT section that does the few remaining operations.
That also avoids a double read on SRR1 in the SW LRU case.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/603725297466959419628ef7964aaf3417fb647d.1620363691.git.christophe.leroy@csgroup.eu
mpc885_ads_defconfig is used by several CI robots.
A few functionnalities are specific to 8xx and are not covered
by other default configuration, so improve build test coverage
by adding them to mpc885_ads_defconfig.
8xx is the only platform supporting 16k page size in addition
to 4k page size. Considering that 4k page size is widely tested
by other configurations, lets make 16k pages the selection for
8xx, as it has demonstrated in the past to be a weakness.
CONFIG_PIN_TLB is specific to 8xx, select it as it mainly adds
code with removing much.
CONFIG_BDI_SWITCH is specific to PPC32 and adds codes.
CONFIG_PPC_PTDUMP has specific part for 8xx.
CONFIG_MODULES has specific handling for 8xx.
CONFIG_SMC_UCODE_PATCH is specific to 8xx for loading microcode.
CONFIG_PERF_EVENTS has specific parts for 8xx.
CONFIG_MATH_EMULATION is used by 8xx.
CONFIG_STRICT_KERNEL_RWX has specificities for 8xx.
CONFIG_VIRT_CPU_ACCOUNTING_NATIVE has specific parts for PPC32.
CONFIG_IPV6 has specificities for PPC32.
CONFIG_BPF_JIT has specificities for PPC32.
A few drivers are tightly linked to the 8xx:
- CONFIG_SPI_FSL_SPI
- CONFIG_CRYPTO_DEV_TALITOS
- CONFIG_8xxx_WDT
- CONFIG_8xx_GPIO
- CONFIG_PPC_EARLY_DEBUG_CPM
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/2541e4e415505b27db8ccbb8977035c20e408ef4.1620405461.git.christophe.leroy@csgroup.eu
Currently drc_pmem_qeury_stats() generates a dev_err in case
"Enable Performance Information Collection" feature is disabled from
HMC or performance stats are not available for an nvdimm. The error is
of the form below:
papr_scm ibm,persistent-memory:ibm,pmemory@44104001: Failed to query
performance stats, Err:-10
This error message confuses users as it implies a possible problem
with the nvdimm even though its due to a disabled/unavailable
feature. We fix this by explicitly handling the H_AUTHORITY and
H_UNSUPPORTED errors from the H_SCM_PERFORMANCE_STATS hcall.
In case of H_AUTHORITY error an info message is logged instead of an
error, saying that "Permission denied while accessing performance
stats" and an EPERM error is returned back.
In case of H_UNSUPPORTED error we return a EOPNOTSUPP error back from
drc_pmem_query_stats() indicating that performance stats-query
operation is not supported on this nvdimm.
Fixes: 2d02bf835e57 ("powerpc/papr_scm: Fetch nvdimm performance stats from PHYP")
Signed-off-by: Vaibhav Jain <vaibhav@linux.ibm.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210508043642.114076-1-vaibhav@linux.ibm.com
Following PACA related items are not used anymore by ASM code:
PACA_SIZE, PACACONTEXTID, PACALOWSLICESPSIZE, PACAHIGHSLICEPSIZE,
PACA_SLB_ADDR_LIMIT, MMUPSIZEDEFSIZE, PACASLBCACHE, PACASLBCACHEPTR,
PACASTABRR, PACAVMALLOCSLLP, MMUPSIZESLLP, PACACONTEXTSLLP,
PACALPPACAPTR, LPPACA_DTLIDX and PACA_DTL_RIDX.
Following items are also not used anymore:
SIGSEGV, NMI_MASK, THREAD_DBCR0, KUAP, TI_FLAGS, TI_PREEMPT,
DCACHEL1BLOCKSPERPAGE, ICACHEL1BLOCKSIZE, ICACHEL1LOGBLOCKSIZE,
ICACHEL1BLOCKSPERPAGE, STACK_REGS_KUAP, KVM_NEED_FLUSH, KVM_FWNMI,
VCPU_DEC, VCPU_SPMC, HSTATE_XICS_PHYS, HSTATE_SAVED_XIRR and
PPC_DBELL_MSGTYPE.
Remove all of them.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1c80981548dc0c4f145109cdd473022c1aad8d2b.1620223302.git.christophe.leroy@csgroup.eu
Last user of m8260_gorom() was removed by
Commit 917f0af9e5a9 ("powerpc: Remove arch/ppc and include/asm-ppc")
removed last user of m8260_gorom().
In fact m8260_gorom() was ported to arch/powerpc/ but the
platform using it died with arch/ppc/
Remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/13f7532f21df3196e8c78b4f82a9c8d5487aca35.1620292185.git.christophe.leroy@csgroup.eu
Here are 2 driver fixes for driver core changes that happened in
5.13-rc1.
The clk driver fix resolves a many-reported issue with booting some
devices, and the USB typec fix resolves the reported problem of USB
systems on some embedded boards.
Both of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two driver fixes for driver core changes that happened in
5.13-rc1.
The clk driver fix resolves a many-reported issue with booting some
devices, and the USB typec fix resolves the reported problem of USB
systems on some embedded boards.
Both of these have been in linux-next this week with no reported
issues"
* tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
clk: Skip clk provider registration when np is NULL
usb: typec: tcpm: Don't block probing of consumers of "connector" nodes
Here are some small IIO driver fixes and one Staging driver fix for
5.13-rc2.
Nothing major, just some resolutions for reported problems:
- gcc11 bogus warning fix for rtl8723bs
- iio driver tiny fixes
All of these have been in linux-next for many days with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver fixes from Greg KH:
"Here are some small IIO driver fixes and one Staging driver fix for
5.13-rc2.
Nothing major, just some resolutions for reported problems:
- gcc-11 bogus warning fix for rtl8723bs
- iio driver tiny fixes
All of these have been in linux-next for many days with no reported
issues"
* tag 'staging-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: tsl2583: Fix division by a zero lux_val
iio: core: return ENODEV if ioctl is unknown
iio: core: fix ioctl handlers removal
iio: gyro: mpu3050: Fix reported temperature value
iio: hid-sensors: select IIO_TRIGGERED_BUFFER under HID_SENSOR_IIO_TRIGGER
iio: proximity: pulsedlight: Fix rumtime PM imbalance on error
iio: light: gp2ap002: Fix rumtime PM imbalance on error
staging: rtl8723bs: avoid bogus gcc warning
Here are some small USB fixes for 5.13-rc2. They consist of a number of
resolutions for reported issues:
- typec fixes for found problems
- xhci fixes and quirk additions
- dwc3 driver fixes
- minor fixes found by Coverity
- cdc-wdm fixes for reported problems
All of these have been in linux-next for a few days with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.13-rc2. They consist of a number
of resolutions for reported issues:
- typec fixes for found problems
- xhci fixes and quirk additions
- dwc3 driver fixes
- minor fixes found by Coverity
- cdc-wdm fixes for reported problems
All of these have been in linux-next for a few days with no reported
issues"
* tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
usb: core: hub: fix race condition about TRSMRCY of resume
usb: typec: tcpm: Fix SINK_DISCOVERY current limit for Rp-default
xhci: Add reset resume quirk for AMD xhci controller.
usb: xhci: Increase timeout for HC halt
xhci: Do not use GFP_KERNEL in (potentially) atomic context
xhci: Fix giving back cancelled URBs even if halted endpoint can't reset
xhci-pci: Allow host runtime PM as default for Intel Alder Lake xHCI
usb: musb: Fix an error message
usb: typec: tcpm: Fix wrong handling for Not_Supported in VDM AMS
usb: typec: tcpm: Send DISCOVER_IDENTITY from dedicated work
usb: typec: ucsi: Retrieve all the PDOs instead of just the first 4
usb: fotg210-hcd: Fix an error message
docs: usb: function: Modify path name
usb: dwc3: omap: improve extcon initialization
usb: typec: ucsi: Put fwnode in any case during ->probe()
usb: typec: tcpm: Fix wrong handling in GET_SINK_CAP
usb: dwc2: Remove obsolete MODULE_ constants from platform.c
usb: dwc3: imx8mp: fix error return code in dwc3_imx8mp_probe()
usb: dwc3: imx8mp: detect dwc3 core node via compatible string
usb: dwc3: gadget: Return success always for kick transfer in ep queue
...
- Use the ALARM feature check in the alarmtimer core code insted of
the old method of checking for the set_alarm() callback. Drivers
can have that callback set but the feature bit cleared. If such
a RTC device is selected then alarms wont work.
- Use a proper define to let the preprocessor check whether Hyper-V VDSO
clocksource should be active. The code used a constant in an enum with
#ifdef, which evaluates to always false and disabled the clocksource
for VDSO.
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Merge tag 'timers-urgent-2021-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two fixes for timers:
- Use the ALARM feature check in the alarmtimer core code insted of
the old method of checking for the set_alarm() callback.
Drivers can have that callback set but the feature bit cleared. If
such a RTC device is selected then alarms wont work.
- Use a proper define to let the preprocessor check whether Hyper-V
VDSO clocksource should be active.
The code used a constant in an enum with #ifdef, which evaluates to
always false and disabled the clocksource for VDSO"
* tag 'timers-urgent-2021-05-16' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/hyper-v: Re-enable VDSO_CLOCKMODE_HVCLOCK on X86
alarmtimer: Check RTC features instead of ops
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Merge tag 'for-linus-5.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- two patches for error path fixes
- a small series for fixing a regression with swiotlb with Xen on Arm
* tag 'for-linus-5.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/swiotlb: check if the swiotlb has already been initialized
arm64: do not set SWIOTLB_NO_FORCE when swiotlb is required
xen/arm: move xen_swiotlb_detect to arm/swiotlb-xen.h
xen/unpopulated-alloc: fix error return code in fill_list()
xen/gntdev: fix gntdev_mmap() error exit path
- Reorganize SEV code to streamline and simplify future development
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Merge tag 'x86_urgent_for_v5.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"The three SEV commits are not really urgent material. But we figured
since getting them in now will avoid a huge amount of conflicts
between future SEV changes touching tip, the kvm and probably other
trees, sending them to you now would be best.
The idea is that the tip, kvm etc branches for 5.14 will all base
ontop of -rc2 and thus everything will be peachy. What is more, those
changes are purely mechanical and defines movement so they should be
fine to go now (famous last words).
Summary:
- Enable -Wundef for the compressed kernel build stage
- Reorganize SEV code to streamline and simplify future development"
* tag 'x86_urgent_for_v5.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot/compressed: Enable -Wundef
x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
x86/sev: Move GHCB MSR protocol and NAE definitions in a common header
x86/sev-es: Rename sev-es.{ch} to sev.{ch}
- Fix a regression in the conversion of the 64-bit BookE interrupt entry to C.
- Fix KVM hosts running with the hash MMU since the recent KVM gfn changes.
- Fix a deadlock in our paravirt spinlocks when hcall tracing is enabled.
- Several fixes for oopses in our runtime code patching for security mitigations.
- A couple of minor fixes for the recent conversion of 32-bit interrupt entry/exit to C.
- Fix __get_user() causing spurious crashes in sigreturn due to a bad inline asm
constraint, spotted with GCC 11.
- A fix for the way we track IRQ masking state vs NMI interrupts when using the new scv
system call entry path.
- A couple more minor fixes.
Thanks to: Cédric Le Goater, Christian Zigotzky, Christophe Leroy, Naveen N. Rao, Nicholas
Piggin Paul Menzel, Sean Christopherson.
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Merge tag 'powerpc-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix a regression in the conversion of the 64-bit BookE interrupt
entry to C.
- Fix KVM hosts running with the hash MMU since the recent KVM gfn
changes.
- Fix a deadlock in our paravirt spinlocks when hcall tracing is
enabled.
- Several fixes for oopses in our runtime code patching for security
mitigations.
- A couple of minor fixes for the recent conversion of 32-bit interrupt
entry/exit to C.
- Fix __get_user() causing spurious crashes in sigreturn due to a bad
inline asm constraint, spotted with GCC 11.
- A fix for the way we track IRQ masking state vs NMI interrupts when
using the new scv system call entry path.
- A couple more minor fixes.
Thanks to Cédric Le Goater, Christian Zigotzky, Christophe Leroy,
Naveen N. Rao, Nicholas Piggin Paul Menzel, and Sean Christopherson.
* tag 'powerpc-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64e/interrupt: Fix nvgprs being clobbered
powerpc/64s: Make NMI record implicitly soft-masked code as irqs disabled
powerpc/64s: Fix stf mitigation patching w/strict RWX & hash
powerpc/64s: Fix entry flush patching w/strict RWX & hash
powerpc/64s: Fix crashes when toggling entry flush barrier
powerpc/64s: Fix crashes when toggling stf barrier
KVM: PPC: Book3S HV: Fix kvm_unmap_gfn_range_hv() for Hash MMU
powerpc/legacy_serial: Fix UBSAN: array-index-out-of-bounds
powerpc/signal: Fix possible build failure with unsafe_copy_fpr_{to/from}_user
powerpc/uaccess: Fix __get_user() with CONFIG_CC_HAS_ASM_GOTO_OUTPUT
powerpc/pseries: warn if recursing into the hcall tracing code
powerpc/pseries: use notrace hcall variant for H_CEDE idle
powerpc/pseries: Don't trace hcall tracing wrapper
powerpc/pseries: Fix hcall tracing recursion in pv queued spinlocks
powerpc/syscall: Calling kuap_save_and_lock() is wrong
powerpc/interrupts: Fix kuep_unlock() call
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Fix an idle CPU selection bug, and an AMD Ryzen maximum frequency
enumeration bug"
* tag 'sched-urgent-2021-05-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, sched: Fix the AMD CPPC maximum performance value on certain AMD Ryzen generations
sched/fair: Fix clearing of has_idle_cores flag in select_idle_cpu()
Merge misc fixes from Andrew Morton:
"13 patches.
Subsystems affected by this patch series: resource, squashfs, hfsplus,
modprobe, and mm (hugetlb, slub, userfaultfd, ksm, pagealloc, kasan,
pagemap, and ioremap)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm/ioremap: fix iomap_max_page_shift
docs: admin-guide: update description for kernel.modprobe sysctl
hfsplus: prevent corruption in shrinking truncate
mm/filemap: fix readahead return types
kasan: fix unit tests with CONFIG_UBSAN_LOCAL_BOUNDS enabled
mm: fix struct page layout on 32-bit systems
ksm: revert "use GET_KSM_PAGE_NOLOCK to get ksm page in remove_rmap_item_from_tree()"
userfaultfd: release page in error path to avoid BUG_ON
squashfs: fix divide error in calculate_skip()
kernel/resource: fix return code check in __request_free_mem_region
mm, slub: move slub_debug static key enabling outside slab_mutex
mm/hugetlb: fix cow where page writtable in child
mm/hugetlb: fix F_SEAL_FUTURE_WRITE
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Merge tag 'block-5.13-2021-05-14' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Fix for shared tag set exit (Bart)
- Correct ioctl range for zoned ioctls (Damien)
- Removed dead/unused function (Lin)
- Fix perf regression for shared tags (Ming)
- Fix out-of-bounds issue with kyber and preemption (Omar)
- BFQ merge fix (Paolo)
- Two error handling fixes for nbd (Sun)
- Fix weight update in blk-iocost (Tejun)
- NVMe pull request (Christoph):
- correct the check for using the inline bio in nvmet (Chaitanya
Kulkarni)
- demote unsupported command warnings (Chaitanya Kulkarni)
- fix corruption due to double initializing ANA state (me, Hou Pu)
- reset ns->file when open fails (Daniel Wagner)
- fix a NULL deref when SEND is completed with error in nvmet-rdma
(Michal Kalderon)
- Fix kernel-doc warning (Bart)
* tag 'block-5.13-2021-05-14' of git://git.kernel.dk/linux-block:
block/partitions/efi.c: Fix the efi_partition() kernel-doc header
blk-mq: Swap two calls in blk_mq_exit_queue()
blk-mq: plug request for shared sbitmap
nvmet: use new ana_log_size instead the old one
nvmet: seset ns->file when open fails
nbd: share nbd_put and return by goto put_nbd
nbd: Fix NULL pointer in flush_workqueue
blkdev.h: remove unused codes blk_account_rq
block, bfq: avoid circular stable merges
blk-iocost: fix weight updates of inner active iocgs
nvmet: demote fabrics cmd parse err msg to debug
nvmet: use helper to remove the duplicate code
nvmet: demote discovery cmd parse err msg to debug
nvmet-rdma: Fix NULL deref when SEND is completed with error
nvmet: fix inline bio check for passthru
nvmet: fix inline bio check for bdev-ns
nvme-multipath: fix double initialization of ANA state
kyber: fix out of bounds access when preempted
block: uapi: fix comment about block device ioctl
