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| author | Thomas Gleixner <tglx@linutronix.de> | 2024-02-14 00:05:19 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-02-16 00:07:41 +0300 |
| commit | 58d16928358f91d48421838a7484321b3149130d (patch) | |
| tree | 54fbe3db27e0b065bf08421428b229a1fa06a180 /arch/x86/kernel/apic/apic.c | |
| parent | 350b5e2730d1e15337a10bd913694ee4527c02f0 (diff) | |
| download | linux-58d16928358f91d48421838a7484321b3149130d.tar.xz | |
x86/apic: Remove the pointless writeback of boot_cpu_physical_apicid
There is absolutely no point to write the APIC ID which was read from the
local APIC earlier, back into the local APIC for the 64-bit UP case.
Remove that along with the apic callback which is solely there for this
pointless exercise.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20240212154640.055288922@linutronix.de
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index ce6d31bfc6e3..e3cebd45526b 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2485,9 +2485,6 @@ EXPORT_SYMBOL_GPL(x86_msi_msg_get_destid); static void __init apic_bsp_up_setup(void) { -#ifdef CONFIG_X86_64 - apic_write(APIC_ID, apic->set_apic_id(boot_cpu_physical_apicid)); -#endif reset_phys_cpu_present_map(boot_cpu_physical_apicid); } |