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8f6be6d870e8a078fcc956fc2ff8d7cff67795ee
linux/arch/x86/kernel
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Brian Gerst 8f6be6d870 x86/smpboot: Remove initial_gs 
Given its CPU#, each CPU can find its own per-cpu offset, and directly set
GSBASE accordingly. The global variable can be eliminated.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Usama Arif <usama.arif@bytedance.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Usama Arif <usama.arif@bytedance.com>
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/20230316222109.1940300-9-usama.arif@bytedance.com
2023-03-21 13:35:53 +01:00
..
acpi
x86/smpboot: Remove initial_gs
2023-03-21 13:35:53 +01:00
apic
x86/apic/x2apic: Allow CPU cluster_mask to be populated in parallel
2023-03-21 13:35:53 +01:00
cpu
Merge tag 'ras_urgent_for_v6.3_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-03-19 09:57:53 -07:00
fpu
Merge tag 'x86-fpu-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-02-20 18:50:02 -08:00
kprobes
Merge tag 'probes-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2023-02-23 13:03:08 -08:00
.gitignore
…
alternative.c
x86/alternatives: Teach text_poke_bp() to patch Jcc.d32 instructions
2023-01-31 15:05:31 +01:00
amd_gart_64.c
x86/mm: Remove P*D_PAGE_MASK and P*D_PAGE_SIZE macros
2022-12-15 10:37:27 -08:00
amd_nb.c
x86/amd_nb: Add AMD PCI IDs for SMN communication
2022-07-20 17:35:40 +02:00
aperture_64.c
x86: Fix various duplicate-word comment typos
2022-08-15 19:17:52 +02:00
apm_32.c
efi: x86: Wire up IBT annotation in memory attributes table
2023-02-09 19:30:54 +01:00
asm-offsets_32.c
…
asm-offsets_64.c
x86: Fixup asm-offsets duplicate
2022-10-17 16:41:06 +02:00
asm-offsets.c
x86/smpboot: Remove initial_stack on 64-bit
2023-03-21 13:35:53 +01:00
audit_64.c
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bootflag.c
…
callthunks.c
x86/calldepth: Fix incorrect init section references
2022-12-27 12:51:58 +01:00
cfi.c
x86: Add support for CONFIG_CFI_CLANG
2022-09-26 10:13:16 -07:00
check.c
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cpuid.c
driver core: make struct class.devnode() take a const *
2022-11-24 17:12:27 +01:00
crash_core_32.c
…
crash_core_64.c
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crash_dump_32.c
vmcore: convert copy_oldmem_page() to take an iov_iter
2022-04-29 14:37:59 -07:00
crash_dump_64.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
crash.c
x86/crash: Disable virt in core NMI crash handler to avoid double shootdown
2023-01-24 10:05:21 -08:00
devicetree.c
x86/of: Add support for boot time interrupt delivery mode configuration
2022-12-02 14:57:14 +01:00
doublefault_32.c
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dumpstack_32.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
dumpstack_64.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
dumpstack.c
Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-10-10 17:53:04 -07:00
e820.c
x86/setup: Move duplicate boot_cpu_data definition out of the ifdeffery
2023-01-11 12:45:16 +01:00
early_printk.c
x86/earlyprintk: Clean up pciserial
2022-08-29 12:19:25 +02:00
early-quirks.c
drm/i915/rpl-p: Add PCI IDs
2022-04-19 17:14:09 -07:00
ebda.c
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eisa.c
…
espfix_64.c
x86/espfix: Use get_random_long() rather than archrandom
2022-10-31 20:12:50 +01:00
ftrace_32.S
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ftrace_64.S
ftrace,kcfi: Define ftrace_stub_graph conditionally
2023-03-09 22:17:06 -05:00
ftrace.c
Merge tag 'x86_mm_for_6.2_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-12-17 14:06:53 -06:00
head32.c
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head64.c
x86/mm: Remove P*D_PAGE_MASK and P*D_PAGE_SIZE macros
2022-12-15 10:37:27 -08:00
head_32.S
x86/asm/32: Remove setup_once()
2022-12-02 14:06:34 +01:00
head_64.S
x86/smpboot: Remove initial_gs
2023-03-21 13:35:53 +01:00
hpet.c
clocksource: Verify HPET and PMTMR when TSC unverified
2023-02-02 14:23:02 -08:00
hw_breakpoint.c
x86/amd: Cache debug register values in percpu variables
2023-01-31 20:09:26 +01:00
i8237.c
…
i8253.c
…
i8259.c
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
2023-01-16 17:24:56 +01:00
idt.c
x86/traps: Add #VE support for TDX guest
2022-04-07 08:27:51 -07:00
io_delay.c
…
ioport.c
…
irq_32.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
irq_64.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
irq_work.c
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irq.c
…
irqflags.S
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irqinit.c
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
2023-01-16 17:24:56 +01:00
itmt.c
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jailhouse.c
…
jump_label.c
jump_label: make initial NOP patching the special case
2022-06-24 09:48:55 +02:00
kdebugfs.c
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kexec-bzimage64.c
Merge tag 'integrity-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
2022-08-02 15:21:18 -07:00
kgdb.c
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ksysfs.c
…
kvm.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2022-12-15 11:12:21 -08:00
kvmclock.c
sched/clock/x86: Mark sched_clock() noinstr
2023-01-31 15:01:47 +01:00
ldt.c
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machine_kexec_32.c
…
machine_kexec_64.c
x86/kexec: fix memory leak of elf header buffer
2022-06-01 15:57:16 -07:00
Makefile
x86/signal/compat: Move sigaction_compat_abi() to signal_64.c
2023-01-06 04:16:02 +01:00
mmconf-fam10h_64.c
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module.c
Merge tag 'livepatching-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
2023-02-23 14:00:10 -08:00
mpparse.c
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msr.c
driver core: make struct class.devnode() take a const *
2022-11-24 17:12:27 +01:00
nmi_selftest.c
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nmi.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2023-02-25 11:30:21 -08:00
paravirt-spinlocks.c
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paravirt.c
Merge tag 'x86_cpu_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-02-21 14:51:40 -08:00
pci-dma.c
swiotlb: merge swiotlb-xen initialization into swiotlb
2022-04-18 07:21:13 +02:00
pcspeaker.c
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perf_regs.c
…
platform-quirks.c
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pmem.c
x86/pmem: Fix platform-device leak in error path
2022-06-20 18:01:16 +02:00
probe_roms.c
x86/kernel: Validate ROM memory before accessing when SEV-SNP is active
2022-04-06 13:23:09 +02:00
process_32.c
x86/resctl: fix scheduler confusion with 'current'
2023-03-08 11:48:11 -08:00
process_64.c
x86/resctl: fix scheduler confusion with 'current'
2023-03-08 11:48:11 -08:00
process.c
Merge tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2023-02-21 12:13:58 -08:00
process.h
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ptrace.c
x86: Improve formatting of user_regset arrays
2022-11-01 15:36:52 -07:00
pvclock.c
sched/clock/x86: Mark sched_clock() noinstr
2023-01-31 15:01:47 +01:00
quirks.c
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reboot_fixups_32.c
…
reboot.c
x86/reboot: Disable virtualization in an emergency if SVM is supported
2023-01-24 10:05:22 -08:00
relocate_kernel_32.S
x86/kexec: Disable RET on kexec
2022-07-09 13:12:32 +02:00
relocate_kernel_64.S
x86/callthunks: Add call patching for call depth tracking
2022-10-17 16:41:13 +02:00
resource.c
x86/PCI: Tidy E820 removal messages
2022-12-10 10:33:11 -06:00
rethook.c
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rtc.c
x86/rtc: Simplify PNP ids check
2023-01-06 04:22:34 +01:00
setup_percpu.c
Merge tag 'x86_core_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-12-14 15:03:00 -08:00
setup.c
x86/setup: Move duplicate boot_cpu_data definition out of the ifdeffery
2023-01-11 12:45:16 +01:00
sev_verify_cbit.S
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sev-shared.c
Revert "x86/sev: Expose sev_es_ghcb_hv_call() for use by HyperV"
2022-07-27 18:09:13 +02:00
sev.c
virt/coco/sev-guest: Add throttling awareness
2023-03-13 13:29:27 +01:00
signal_32.c
Merge tag 'x86_cpu_for_v6.3_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-02-21 14:51:40 -08:00
signal_64.c
x86/signal/compat: Move sigaction_compat_abi() to signal_64.c
2023-01-06 04:16:02 +01:00
signal.c
x86/signal: Fix the value returned by strict_sas_size()
2023-01-15 09:54:27 +01:00
smp.c
x86/reboot: Disable SVM, not just VMX, when stopping CPUs
2023-01-24 10:05:22 -08:00
smpboot.c
x86/smpboot: Remove initial_gs
2023-03-21 13:35:53 +01:00
stacktrace.c
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static_call.c
x86/static_call: Add support for Jcc tail-calls
2023-01-31 15:05:31 +01:00
step.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2022-05-11 14:34:28 -05:00
sys_ia32.c
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sys_x86_64.c
x86/mm: Cleanup the control_va_addr_alignment() __setup handler
2022-05-04 18:20:42 +02:00
tboot.c
mm: remove rb tree.
2022-09-26 19:46:16 -07:00
time.c
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tls.c
x86/gsseg: Move load_gs_index() to its own new header file
2023-01-12 13:06:36 +01:00
tls.h
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topology.c
x86/cpu: Switch to cpu_feature_enabled() for X86_FEATURE_XENPV
2022-11-22 16:18:19 +01:00
trace_clock.c
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trace.c
…
tracepoint.c
x86/traceponit: Fix comment about irq vector tracepoints
2022-05-26 22:03:52 -04:00
traps.c
Merge tag 'x86_core_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-12-14 15:03:00 -08:00
tsc_msr.c
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tsc_sync.c
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tsc.c
Merge tag 'timers-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-02-21 09:45:13 -08:00
umip.c
…
unwind_frame.c
x86: kmsan: don't instrument stack walking functions
2022-10-03 14:03:25 -07:00
unwind_guess.c
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unwind_orc.c
x86/unwind/orc: Add 'signal' field to ORC metadata
2023-02-11 12:37:51 +01:00
uprobes.c
uprobes/x86: Allow to probe a NOP instruction with 0x66 prefix
2022-12-05 11:55:18 +01:00
verify_cpu.S
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vm86_32.c
x86/32: Remove lazy GS macros
2022-04-14 14:09:43 +02:00
vmlinux.lds.S
objtool/idle: Validate __cpuidle code as noinstr
2023-01-13 11:48:15 +01:00
vsmp_64.c
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x86_init.c
x86/boot: Skip realmode init code when running as Xen PV guest
2022-11-25 12:05:22 +01:00