diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2023-08-08 15:04:15 -0700 |
---|---|---|
committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-08-09 11:58:33 -0700 |
commit | 185c8f33a048bd04fdedd08e7bd7861a85158834 (patch) | |
tree | f99e88ac38f8c7e73885724735e450769a313478 /arch/x86/kernel/apic/apic_noop.c | |
parent | 3600ceb0df845beb7a204ab599aaff1213129314 (diff) |
x86/apic: Remove pointless arguments from [native_]eoi_write()
Every callsite hands in the same constants which is a pointless exercise
and cannot be optimized by the compiler due to the indirect calls.
Use the constants in the eoi() callbacks and remove the arguments.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)
Diffstat (limited to 'arch/x86/kernel/apic/apic_noop.c')
-rw-r--r-- | arch/x86/kernel/apic/apic_noop.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c index e33bea0a2f49..966d7cf10b95 100644 --- a/arch/x86/kernel/apic/apic_noop.c +++ b/arch/x86/kernel/apic/apic_noop.c @@ -29,6 +29,7 @@ static int noop_wakeup_secondary_cpu(int apicid, unsigned long start_eip) { retu static u64 noop_apic_icr_read(void) { return 0; } static int noop_phys_pkg_id(int cpuid_apic, int index_msb) { return 0; } static unsigned int noop_get_apic_id(unsigned long x) { return 0; } +static void noop_apic_eoi(void) { } static u32 noop_apic_read(u32 reg) { @@ -71,7 +72,7 @@ struct apic apic_noop __ro_after_init = { .read = noop_apic_read, .write = noop_apic_write, - .eoi_write = noop_apic_write, + .eoi = noop_apic_eoi, .icr_read = noop_apic_icr_read, .icr_write = noop_apic_icr_write, }; |