diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-08-09 01:04:15 +0300 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-08-09 21:58:33 +0300 |
| commit | 185c8f33a048bd04fdedd08e7bd7861a85158834 (patch) | |
| tree | f99e88ac38f8c7e73885724735e450769a313478 /arch/x86/xen | |
| parent | 3600ceb0df845beb7a204ab599aaff1213129314 (diff) | |
| download | linux-185c8f33a048bd04fdedd08e7bd7861a85158834.tar.xz | |
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/xen')
| -rw-r--r-- | arch/x86/xen/apic.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c index 661eecfdc4ba..804a26b7c85e 100644 --- a/arch/x86/xen/apic.c +++ b/arch/x86/xen/apic.c @@ -81,6 +81,11 @@ static void xen_apic_write(u32 reg, u32 val) WARN(1,"register: %x, value: %x\n", reg, val); } +static void xen_apic_eoi(void) +{ + WARN_ON_ONCE(1); +} + static u64 xen_apic_icr_read(void) { return 0; @@ -147,7 +152,7 @@ static struct apic xen_pv_apic = { #endif .read = xen_apic_read, .write = xen_apic_write, - .eoi_write = xen_apic_write, + .eoi = xen_apic_eoi, .icr_read = xen_apic_icr_read, .icr_write = xen_apic_icr_write, |