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linux/arch/x86/kernel
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H. Peter Anvin 9ddcb87b92 x86/regs: Syscall_get_nr() returns -1 for a non-system call 
syscall_get_nr() is defined to return -1 for a non-system call or a
ptrace/seccomp restart; not just any arbitrary number. See comment in
<asm-generic/syscall.h> for the official definition of this function.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210510185316.3307264-7-hpa@zytor.com
2021-05-12 10:49:15 +02:00
..
acpi
Trivial cleanups and fixes all over the place.
2021-04-26 09:25:47 -07:00
apic
A single commit to make the vector allocation code more resilent against an
2021-04-26 10:00:38 -07:00
cpu
x86/syscall: Maximize MSR_SYSCALL_MASK
2021-05-12 10:49:15 +02:00
fpu
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
kprobes
- turn the stack canary into a normal __percpu variable on 32-bit which
2021-04-27 17:45:09 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
alternative.c
The x86 MM changes in this cycle were:
2021-04-29 11:41:43 -07:00
amd_gart_64.c
dma-mapping: split <linux/dma-mapping.h>
2020-10-06 07:07:03 +02:00
amd_nb.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
aperture_64.c
…
apm_32.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
asm-offsets_32.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
asm-offsets_64.c
x86/xen: Drop USERGS_SYSRET64 paravirt call
2021-02-10 12:32:07 +01:00
asm-offsets.c
x86/paravirt: Switch iret pvops to ALTERNATIVE
2021-03-11 19:58:54 +01:00
audit_64.c
x86/audit: Fix a -Wmissing-prototypes warning for ia32_classify_syscall()
2020-05-19 18:03:07 +02:00
bootflag.c
…
check.c
…
cpuid.c
smp: Cleanup smp_call_function*()
2020-11-24 16:47:49 +01:00
crash_core_32.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
crash_core_64.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
crash_dump_32.c
x86/crashdump/32: Simplify copy_oldmem_page()
2020-11-24 14:42:09 +01:00
crash_dump_64.c
…
crash.c
Devicetree updates for v5.13:
2021-04-28 15:50:24 -07:00
devicetree.c
x86/devicetree: Fix the ioapic interrupt type table
2020-10-28 20:26:24 +01:00
doublefault_32.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
dumpstack_32.c
x86/32: Remove CONFIG_DOUBLEFAULT
2020-04-14 14:24:05 +02:00
dumpstack_64.c
x86/irq/64: Adjust the per CPU irq stack pointer by 8
2021-02-10 23:34:14 +01:00
dumpstack.c
- Remove all uses of TIF_IA32 and TIF_X32 and reclaim the two bits in the end
2020-12-14 13:45:26 -08:00
e820.c
Power management updates for 5.13-rc1
2021-04-26 15:10:25 -07:00
early_printk.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
early-quirks.c
x86/gpu: Add Alderlake-S stolen memory support
2021-01-26 06:55:09 -08:00
ebda.c
…
eisa.c
…
espfix_64.c
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
ftrace_32.S
x86: Change {JMP,CALL}_NOSPEC argument
2020-04-30 20:14:34 +02:00
ftrace_64.S
x86/ftrace: Support objtool vmlinux.o validation in ftrace_64.S
2021-01-26 11:33:02 -06:00
ftrace.c
x86: Remove dynamic NOP selection
2021-03-15 16:24:59 +01:00
head32.c
…
head64.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
head_32.S
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
head_64.S
x86/entry: Unify definitions from <asm/calling.h> and <asm/ptrace-abi.h>
2021-05-12 10:49:13 +02:00
hpet.c
x86/hpet: Use irq_find_matching_fwspec() to find remapping irqdomain
2020-10-28 20:26:28 +01:00
hw_breakpoint.c
x86/debug: Prevent data breakpoints on cpu_dr7
2021-02-05 20:13:12 +01:00
i8237.c
…
i8253.c
…
i8259.c
x86/i8259: Use printk_deferred() to prevent deadlock
2020-07-29 16:27:16 +02:00
idt.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
io_delay.c
…
ioport.c
x86/ioperm: Prevent a memory leak when fork fails
2020-05-28 21:36:20 +02:00
irq_32.c
softirq: Move do_softirq_own_stack() to generic asm header
2021-02-10 23:34:16 +01:00
irq_64.c
x86/softirq/64: Inline do_softirq_own_stack()
2021-02-10 23:34:17 +01:00
irq_work.c
x86/entry: Convert various system vectors
2020-06-11 15:15:14 +02:00
irq.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
irqflags.S
x86/pv: Rework arch_local_irq_restore() to not use popf
2021-02-10 12:36:45 +01:00
irqinit.c
x86/headers: Remove APIC headers from <asm/smp.h>
2020-08-06 16:13:09 +02:00
itmt.c
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
jailhouse.c
locking/seqlock, headers: Untangle the spaghetti monster
2020-08-06 16:13:13 +02:00
jump_label.c
x86: Remove dynamic NOP selection
2021-03-15 16:24:59 +01:00
kdebugfs.c
…
kexec-bzimage64.c
x86: Use ELF fields defined in 'struct kimage'
2021-03-08 12:06:29 -07:00
kgdb.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
ksysfs.c
…
kvm.c
ARM:
2021-05-01 10:14:08 -07:00
kvmclock.c
First big cleanup to the paravirt infra to use alternatives and thus
2021-04-26 09:01:29 -07:00
ldt.c
x86/ldt: Use tlb_gather_mmu_fullmm() when freeing LDT page-tables
2021-01-29 20:02:29 +01:00
machine_kexec_32.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
machine_kexec_64.c
Devicetree updates for v5.13:
2021-04-28 15:50:24 -07:00
Makefile
x86/paravirt: Have only one paravirt patch function
2021-03-11 20:11:09 +01:00
mmconf-fam10h_64.c
…
module.c
x86/build: Treat R_386_PLT32 relocation as R_386_PC32
2021-01-28 12:24:06 +01:00
mpparse.c
Surgery of the MSI interrupt handling to prepare the support of upcoming
2020-10-12 11:40:41 -07:00
msr.c
x86/MSR: Filter MSR writes through X86_IOC_WRMSR_REGS ioctl too
2021-01-27 19:06:47 +01:00
nmi_selftest.c
…
nmi.c
KVM/VMX: Invoke NMI non-IST entry instead of IST entry
2021-05-05 22:54:10 +02:00
paravirt-spinlocks.c
x86/paravirt: Add new features for paravirt patching
2021-03-11 19:51:49 +01:00
paravirt.c
The x86 MM changes in this cycle were:
2021-04-29 11:41:43 -07:00
pci-dma.c
dma-mapping: move dma-debug.h to kernel/dma/
2020-10-06 07:07:05 +02:00
pci-iommu_table.c
x86: Remove definition of DEBUG
2021-01-15 08:23:10 +01:00
pci-swiotlb.c
…
pcspeaker.c
…
perf_regs.c
- Remove all uses of TIF_IA32 and TIF_X32 and reclaim the two bits in the end
2020-12-14 13:45:26 -08:00
platform-quirks.c
…
pmem.c
…
probe_roms.c
maccess: make get_kernel_nofault() check for minimal type compatibility
2020-06-18 12:10:37 -07:00
process_32.c
x86/dumpstack: Add log_lvl to __show_regs()
2020-07-22 23:56:53 +02:00
process_64.c
x86/irq: Sanitize irq stack tracking
2021-02-10 23:34:13 +01:00
process.c
x86/process: setup io_threads more like normal user space threads
2021-05-05 17:47:41 -06:00
process.h
…
ptrace.c
x86/regs: Syscall_get_nr() returns -1 for a non-system call
2021-05-12 10:49:15 +02:00
pvclock.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
quirks.c
x86, powerpc: Rename memcpy_mcsafe() to copy_mc_to_{user, kernel}()
2020-10-06 11:18:04 +02:00
reboot_fixups_32.c
…
reboot.c
x86:
2021-02-21 13:31:43 -08:00
relocate_kernel_32.S
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
relocate_kernel_64.S
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
resource.c
…
rtc.c
…
setup_percpu.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
setup.c
- turn the stack canary into a normal __percpu variable on 32-bit which
2021-04-27 17:45:09 -07:00
sev_verify_cbit.S
x86/boot/compressed/64: Check SEV encryption in 64-bit boot-path
2020-10-29 18:06:52 +01:00
sev-es-shared.c
x86/sev-es: Replace open-coded hlt-loops with sev_es_terminate()
2021-03-18 23:04:12 +01:00
sev-es.c
- turn the stack canary into a normal __percpu variable on 32-bit which
2021-04-27 17:45:09 -07:00
signal_compat.c
signal: Introduce TRAP_PERF si_code and si_perf to siginfo
2021-04-16 16:32:41 +02:00
signal.c
x86/regs: Syscall_get_nr() returns -1 for a non-system call
2021-05-12 10:49:15 +02:00
smp.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
smpboot.c
x86/smpboot: Remove duplicate includes
2021-05-05 21:50:13 +02:00
stacktrace.c
stacktrace: Move documentation for arch_stack_walk_reliable() to header
2021-03-10 15:52:31 +01:00
static_call.c
x86: Remove dynamic NOP selection
2021-03-15 16:24:59 +01:00
step.c
entry: Ensure trap after single-step on system call return
2021-02-06 00:21:42 +01:00
sys_ia32.c
x86: switch to kernel_clone()
2020-08-20 13:12:58 +02:00
sys_x86_64.c
x86/mm: Refine mmap syscall implementation
2021-01-05 19:07:42 +01:00
sysfb_efi.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
sysfb_simplefb.c
…
sysfb.c
…
tboot.c
x86/boot/tboot: Avoid Wstringop-overread-warning
2021-03-23 00:16:13 +01:00
time.c
A set of fixes and updates for x86:
2020-06-11 15:54:31 -07:00
tls.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
tls.h
x86: switch to ->regset_get()
2020-07-27 14:31:07 -04:00
topology.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
trace_clock.c
…
tracepoint.c
x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE
2020-06-11 15:15:16 +02:00
traps.c
- turn the stack canary into a normal __percpu variable on 32-bit which
2021-04-27 17:45:09 -07:00
tsc_msr.c
Misc fixes and small updates all around the place:
2020-08-15 10:38:03 -07:00
tsc_sync.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
tsc.c
Trivial cleanups and fixes all over the place.
2021-04-26 09:25:47 -07:00
umip.c
- turn the stack canary into a normal __percpu variable on 32-bit which
2021-04-27 17:45:09 -07:00
unwind_frame.c
fork-v5.9
2020-08-04 14:47:45 -07:00
unwind_guess.c
…
unwind_orc.c
x86/unwind/orc: Silence warnings caused by missing ORC data
2021-03-06 13:09:45 +01:00
uprobes.c
x86/uprobes: Convert to insn_decode()
2021-03-15 12:05:03 +01:00
verify_cpu.S
…
vm86_32.c
x86/vm86/32: Remove VM86_SCREEN_BITMAP support
2021-01-21 20:08:53 +01:00
vmlinux.lds.S
x86/build: Fix vmlinux size check on 64-bit
2020-10-29 21:54:35 +01:00
vsmp_64.c
…
x86_init.c
x86/apic: Support 15 bits of APIC ID in MSI where available
2020-10-28 20:26:29 +01:00