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linux/arch/x86/kernel
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Andy Lutomirski da51da189a x86/entry/64: Pass SP0 directly to load_sp0() 
load_sp0() had an odd signature:

  void load_sp0(struct tss_struct *tss, struct thread_struct *thread);

Simplify it to:

  void load_sp0(unsigned long sp0);

Also simplify a few get_cpu()/put_cpu() sequences to
preempt_disable()/preempt_enable().

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/2655d8b42ed940aa384fe18ee1129bbbcf730a08.1509609304.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-11-02 11:04:44 +01:00
..
acpi
dmi: Mark all struct dmi_system_id instances const
2017-09-14 11:59:30 +02:00
apic
x86/apic: Update TSC_DEADLINE quirk with additional SKX stepping
2017-10-12 17:10:11 +02:00
cpu
x86/entry/64: Pass SP0 directly to load_sp0()
2017-11-02 11:04:44 +01:00
fpu
x86/fpu: Remove the explicit clearing of XSAVE dependent features
2017-10-17 17:14:57 +02:00
kprobes
kprobes/x86: Remove IRQ disabling from jprobe handlers
2017-10-03 19:11:48 +02:00
.gitignore
…
alternative.c
x86: Clarify/fix no-op barriers for text_poke_bp()
2017-08-10 17:35:19 +02:00
amd_gart_64.c
x86: remove arch specific dma_supported implementation
2017-06-28 06:54:46 -07:00
amd_nb.c
x86/cpu/AMD: Apply the Erratum 688 fix when the BIOS doesn't
2017-10-22 13:06:02 +02:00
apb_timer.c
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-12-25 14:30:04 -08:00
aperture_64.c
x86/boot/e820: Prefix the E820_* type names with "E820_TYPE_"
2017-01-28 22:55:22 +01:00
apm_32.c
dmi: Mark all struct dmi_system_id instances const
2017-09-14 11:59:30 +02:00
asm-offsets_32.c
x86/lguest: Remove lguest support
2017-08-24 09:57:28 +02:00
asm-offsets_64.c
x86/xen: Get rid of paravirt op adjust_exception_frame
2017-08-31 21:35:10 +02:00
asm-offsets.c
efi: Get and store the secure boot status
2017-02-07 10:42:10 +01:00
audit_64.c
…
bootflag.c
…
check.c
…
cpuid.c
Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-12-12 19:25:04 -08:00
crash_dump_32.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
crash_dump_64.c
…
crash.c
kexec: move vmcoreinfo out of the kernel's .bss section
2017-07-12 16:25:59 -07:00
devicetree.c
x86/devicetree: Convert to using %pOF instead of ->full_name
2017-07-21 10:14:15 +02:00
doublefault.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>
2017-03-02 08:42:34 +01:00
dumpstack_32.c
x86/dumpstack: Fix interrupt and exception stack boundary checks
2017-07-18 10:56:23 +02:00
dumpstack_64.c
x86/dumpstack: Fix interrupt and exception stack boundary checks
2017-07-18 10:56:23 +02:00
dumpstack.c
x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads
2017-07-30 12:04:41 +02:00
e820.c
x86/boot/e820: Add support to determine the E820 type of an address
2017-07-18 11:38:01 +02:00
early_printk.c
x86/earlyprintk: Add support for earlyprintk via USB3 debug port
2017-03-21 12:30:16 +01:00
early-quirks.c
ACPI updates for v4.14-rc1
2017-09-05 12:45:03 -07:00
ebda.c
x86/boot: Simplify EBDA-vs-BIOS reservation logic
2016-07-22 11:46:01 +02:00
eisa.c
x86/eisa: Add missing include
2017-08-31 21:34:48 +02:00
espfix_64.c
x86/mm: Provide general kernel support for memory encryption
2017-07-18 11:38:00 +02:00
ftrace_32.S
x86/ftrace: Fix ebp in ftrace_regs_caller that screws up unwinder
2017-04-21 09:48:16 +02:00
ftrace_64.S
x86/ftrace: Use Makefile logic instead of #ifdef for compiling ftrace_*.o
2017-03-24 10:14:08 +01:00
ftrace.c
x86/ftrace: Make sure that ftrace trampolines are not RWX
2017-05-26 22:37:02 -04:00
head32.c
x86/idt: Initialize early IDT before cr4_init_shadow()
2017-10-16 20:47:37 +02:00
head64.c
Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-09-04 17:43:56 -07:00
head_32.S
Merge branch 'x86/mpx/prep' into x86/asm
2017-11-02 10:57:24 +01:00
head_64.S
x86/entry/64: Split the IRET-to-user and IRET-to-kernel paths
2017-11-02 11:04:37 +01:00
hpet.c
x86/hpet: Cure interface abuse in the resume path
2017-08-01 13:02:37 +02:00
hw_breakpoint.c
x86/kernel: Audit and remove any unnecessary uses of module.h
2016-07-14 15:06:41 +02:00
i8237.c
…
i8253.c
x86/kernel: Audit and remove any unnecessary uses of module.h
2016-07-14 15:06:41 +02:00
i8259.c
x86: i8259: export legacy_pic symbol
2017-04-14 12:08:51 +02:00
idt.c
x86/idt: Fix the X86_TRAP_BP gate
2017-09-01 11:04:56 +02:00
io_delay.c
dmi: Mark all struct dmi_system_id instances const
2017-09-14 11:59:30 +02:00
ioport.c
Second batch of KVM changes for 4.11 merge window
2017-03-04 11:36:19 -08:00
irq_32.c
x86/asm: Use register variable to get stack pointer value
2017-09-29 19:39:44 +02:00
irq_64.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h>
2017-03-02 08:42:36 +01:00
irq_work.c
x86/irq_work: Make it depend on APIC
2017-08-29 11:42:30 +02:00
irq.c
x86/ipi: Make platform IPI depend on APIC
2017-08-29 11:42:29 +02:00
irqinit.c
x86/idt: Move interrupt gate initialization to IDT code
2017-08-29 12:07:28 +02:00
itmt.c
sched/x86: Remove unnecessary TBM3 check to update topology
2017-01-19 08:42:37 +01:00
jump_label.c
jump_label: Reorder hotplug lock and jump_label_lock
2017-05-26 10:10:45 +02:00
kdebugfs.c
x86, mpparse, x86/acpi, x86/PCI, x86/dmi, SFI: Use memremap() for RAM mappings
2017-07-18 11:37:58 +02:00
kexec-bzimage64.c
x86/boot/e820: Rename the e820_table_firmware to e820_table_kexec
2017-07-05 10:09:02 +02:00
kgdb.c
sched/x86: Add 'struct inactive_task_frame' to better document the sleeping task stack frame
2016-08-24 12:27:41 +02:00
ksysfs.c
x86/sysfs: Fix off-by-one error in loop termination
2017-09-25 09:36:16 +02:00
kvm.c
kvm/x86: Avoid async PF preempting the kernel incorrectly
2017-10-04 18:28:53 +02:00
kvmclock.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
2017-03-02 08:42:27 +01:00
ldt.c
x86/entry: Use SYSCALL_DEFINE() macros for sys_modify_ldt()
2017-10-20 10:37:33 +02:00
livepatch.c
livepatch/x86: apply alternatives and paravirt patches after relocations
2016-08-18 23:41:55 +02:00
machine_kexec_32.c
x86/idt: Consolidate IDT invalidation
2017-08-29 12:07:26 +02:00
machine_kexec_64.c
x86/mm, kexec: Fix memory corruption with SME on successive kexecs
2017-07-30 12:09:12 +02:00
Makefile
Merge branch 'core/objtool' into x86/asm, to pick up dependent changes
2017-10-23 13:31:17 +02:00
mmconf-fam10h_64.c
…
module.c
x86/unwind: Add the ORC unwinder
2017-07-26 13:18:20 +02:00
mpparse.c
x86/boot: Use memremap() to map the MPF and MPC data
2017-07-18 11:38:02 +02:00
msr.c
x86/msr: Remove bogus cleanup from the error path
2016-12-25 10:47:41 +01:00
nmi_selftest.c
x86/nmi: Fix timeout test in test_nmi_ipi()
2017-06-20 12:52:43 +02:00
nmi.c
x86/nmi: Use raw lock
2017-08-16 20:40:09 +02:00
paravirt_patch_32.c
x86/paravirt: Mark unused patch_default label
2016-12-22 17:43:35 +01:00
paravirt_patch_64.c
x86/paravirt: Mark unused patch_default label
2016-12-22 17:43:35 +01:00
paravirt-spinlocks.c
4.11 is going to be a relatively large release for KVM, with a little over
2017-02-22 18:22:53 -08:00
paravirt.c
x86/paravirt: Remove no longer used paravirt functions
2017-09-13 10:55:15 +02:00
pci-calgary_64.c
x86: remove arch specific dma_supported implementation
2017-06-28 06:54:46 -07:00
pci-dma.c
x86, swiotlb: Add memory encryption support
2017-07-18 11:38:03 +02:00
pci-iommu_table.c
x86: Fix non-static inlines
2016-04-16 13:21:40 +02:00
pci-nommu.c
x86, swiotlb: Add memory encryption support
2017-07-18 11:38:03 +02:00
pci-swiotlb.c
x86, swiotlb: Add memory encryption support
2017-07-18 11:38:03 +02:00
pcspeaker.c
…
perf_regs.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h>
2017-03-02 08:42:36 +01:00
platform-quirks.c
x86/lguest: Remove lguest support
2017-08-24 09:57:28 +02:00
pmem.c
x86/kernel: Audit and remove any unnecessary uses of module.h
2016-07-14 15:06:41 +02:00
probe_roms.c
x86/boot/e820: Move asm/e820.h to asm/e820/api.h
2017-01-28 09:31:13 +01:00
process_32.c
x86/entry/64: Pass SP0 directly to load_sp0()
2017-11-02 11:04:44 +01:00
process_64.c
x86/entry/64: Pass SP0 directly to load_sp0()
2017-11-02 11:04:44 +01:00
process.c
x86/mm, kexec: Allow kexec to be used with SME
2017-07-18 11:38:04 +02:00
ptrace.c
x86/arch_prctl/64: Rename do_arch_prctl() to do_arch_prctl_64()
2017-03-20 16:10:32 +01:00
pvclock.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/nmi.h>
2017-03-02 08:42:30 +01:00
quirks.c
treewide: Consolidate Apple DMI checks
2017-08-03 23:26:22 +02:00
reboot_fixups_32.c
…
reboot.c
x86/mm/64: Fix reboot interaction with CR4.PCIDE
2017-10-09 13:31:04 +02:00
relocate_kernel_32.S
…
relocate_kernel_64.S
x86/mm, kexec: Fix memory corruption with SME on successive kexecs
2017-07-30 12:09:12 +02:00
resource.c
x86/boot/e820: Harmonize the 'struct e820_table' fields
2017-01-28 09:33:16 +01:00
rtc.c
timekeeping: Ignore the bogus sleep time if pm_trace is enabled
2016-11-29 18:02:58 +01:00
setup_percpu.c
treewide: make "nr_cpu_ids" unsigned
2017-09-08 18:26:48 -07:00
setup.c
x86/mm/64: Initialize CR4.PCIDE early
2017-09-13 09:54:43 +02:00
signal_compat.c
signal: Remove kernel interal si_code magic
2017-07-24 14:30:28 -05:00
signal.c
x86/fpu: Rename fpu::fpstate_active to fpu::initialized
2017-09-26 09:43:36 +02:00
smp.c
x86/tracing: Disentangle pagefault and resched IPI tracing key
2017-08-29 11:42:29 +02:00
smpboot.c
x86/mm/32: Load a sane CR3 before cpu_init() on secondary CPUs
2017-09-17 18:59:09 +02:00
stacktrace.c
stacktrace/x86: add function for detecting reliable stack traces
2017-03-08 09:18:02 +01:00
step.c
x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads
2017-07-30 12:04:41 +02:00
sys_x86_64.c
x86/mm: Prepare to expose larger address space to userspace
2017-07-21 10:05:18 +02:00
sysfb_efi.c
Merge branch 'linus' into efi/core, to pick up fixes
2016-05-07 07:00:07 +02:00
sysfb_simplefb.c
x86/sysfb: Fix lfb_size calculation
2016-11-16 09:38:23 +01:00
sysfb.c
…
tboot.c
iommu/vt-d: Correctly disable Intel IOMMU force on
2017-06-15 16:41:10 +02:00
tce_64.c
x86/cpufeature: Remove cpu_has_clflush
2016-03-31 13:35:09 +02:00
time.c
x86/time: Make setup_default_timer_irq() static
2017-06-13 08:42:09 +02:00
tls.c
x86/asm: Replace access to desc_struct:a/b fields
2017-08-29 12:07:25 +02:00
tls.h
…
topology.c
…
trace_clock.c
…
tracepoint.c
x86/tracing: Disentangle pagefault and resched IPI tracing key
2017-08-29 11:42:29 +02:00
traps.c
x86/asm: Use register variable to get stack pointer value
2017-09-29 19:39:44 +02:00
tsc_msr.c
x86/tsc: Set TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Atom SoCs
2016-11-18 10:58:31 +01:00
tsc_sync.c
x86/tsc: Remove the TSC_ADJUST clamp
2017-06-04 21:55:53 +02:00
tsc.c
Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-07-03 18:01:50 -07:00
unwind_frame.c
x86/unwind: Disable unwinder warnings on 32-bit
2017-10-10 12:49:49 +02:00
unwind_guess.c
x86/unwind: Add the ORC unwinder
2017-07-26 13:18:20 +02:00
unwind_orc.c
x86/unwind: Show function name+offset in ORC error messages
2017-10-23 13:30:36 +02:00
uprobes.c
uprobes/x86: Fix RIP-relative handling of EVEX-encoded instructions
2016-08-12 08:29:24 +02:00
verify_cpu.S
x86/boot: Annotate verify_cpu() as a callable function
2017-09-28 09:39:03 +02:00
vm86_32.c
x86/entry/64: Pass SP0 directly to load_sp0()
2017-11-02 11:04:44 +01:00
vmlinux.lds.S
x86/unwind: Add the ORC unwinder
2017-07-26 13:18:20 +02:00
vsmp_64.c
…
x86_init.c
x86/boot/e820: Rename default_machine_specific_memory_setup() to e820__memory_setup_default()
2017-01-28 14:42:26 +01:00