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authorShaokun Zhang <[email protected]>2019-02-18 21:05:01 +0800
committerBorislav Petkov <[email protected]>2019-02-18 17:09:24 +0100
commitf91fecc09e498529230b4d5053cb361619a0c42d (patch)
tree16ea30071237521ccb27dff4aa4d398810b2fec7
parent8e8a3cea7ea5f5458fdf2287713626892e7715f5 (diff)
x86/smpboot: Remove unused phys_id variable
The 'phys_id' local variable became unused after commit ce4b1b16502b ("x86/smpboot: Initialize secondary CPU only if master CPU will wait for it"). Remove it. Signed-off-by: Shaokun Zhang <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: Alison Schofield <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Igor Mammedov <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Konrad Rzeszutek Wilk <[email protected]> Cc: Mike Rapoport <[email protected]> Cc: Pu Wen <[email protected]> Cc: Suravee Suthikulpanit <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: x86-ml <[email protected]> Cc: Yazen Ghannam <[email protected]> Cc: Zhenzhong Duan <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
-rw-r--r--arch/x86/kernel/smpboot.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index ccd1f2a8e557..5d5421b48e55 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -149,7 +149,7 @@ static inline void smpboot_restore_warm_reset_vector(void)
*/
static void smp_callin(void)
{
- int cpuid, phys_id;
+ int cpuid;
/*
* If waken up by an INIT in an 82489DX configuration
@@ -160,11 +160,6 @@ static void smp_callin(void)
cpuid = smp_processor_id();
/*
- * (This works even if the APIC is not enabled.)
- */
- phys_id = read_apic_id();
-
- /*
* the boot CPU has finished the init stage and is spinning
* on callin_map until we finish. We are free to set up this
* CPU, first the APIC. (this is probably redundant on most