diff options
| author | Brian Gerst <brgerst@gmail.com> | 2023-03-16 22:21:05 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2023-03-21 13:35:53 +0100 |
| commit | 8f6be6d870e8a078fcc956fc2ff8d7cff67795ee (patch) | |
| tree | da909e2da004596011c3d04b03343e889fca6479 /arch/x86/kernel/acpi/sleep.c | |
| parent | c253b64020c7a7c7a1f6adf8922456614be0f665 (diff) | |
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
Diffstat (limited to 'arch/x86/kernel/acpi/sleep.c')
| -rw-r--r-- | arch/x86/kernel/acpi/sleep.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index de89bb4719d0..1328c221af30 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -127,7 +127,6 @@ int x86_acpi_suspend_lowlevel(void) * value is in the actual %rsp register. */ current->thread.sp = (unsigned long)temp_stack + sizeof(temp_stack); - initial_gs = per_cpu_offset(smp_processor_id()); smpboot_control = smp_processor_id(); #endif initial_code = (unsigned long)wakeup_long64; |