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authorThomas Gleixner <tglx@linutronix.de>2023-08-09 01:04:04 +0300
committerDave Hansen <dave.hansen@linux.intel.com>2023-08-09 21:58:28 +0300
commitee513d9da315592c27daa3cf5ce9ec2747b2bacd (patch)
tree97dbbb809ecf571fb93595ec1edd84d834adb9b7 /arch/x86/include/asm/apic.h
parentcfebd0077f3fc083cc139d7851e2068d058a89dd (diff)
downloadlinux-ee513d9da315592c27daa3cf5ce9ec2747b2bacd.tar.xz
x86/apic: Allow apic::wait_icr_idle() to be NULL
Nuke more NOOP callbacks and make the invocation conditional. Will be replaced with a static call later. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> 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/include/asm/apic.h')
-rw-r--r--arch/x86/include/asm/apic.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 1499865ebae7..397cd5ff2ebc 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -206,12 +206,6 @@ static inline u32 native_apic_msr_read(u32 reg)
return (u32)msr;
}
-static inline void native_x2apic_wait_icr_idle(void)
-{
- /* no need to wait for icr idle in x2apic */
- return;
-}
-
static inline u32 native_safe_x2apic_wait_icr_idle(void)
{
/* no need to wait for icr idle in x2apic */
@@ -376,7 +370,8 @@ static inline void apic_icr_write(u32 low, u32 high)
static inline void apic_wait_icr_idle(void)
{
- apic->wait_icr_idle();
+ if (apic->wait_icr_idle)
+ apic->wait_icr_idle();
}
static inline u32 safe_apic_wait_icr_idle(void)