x86/apic: Allow apic::safe_wait_icr_idle() to be NULL

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Remove tons of NOOP callbacks by making the invocation of
safe_wait_icr_idle() conditional in the inline wrapper.

Will be replaced by a static_call_cond() 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)

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This commit is contained in:

Thomas Gleixner 2023-08-08 15:04:05 -07:00 • committed by Dave Hansen

parent ee513d9da3

commit 13d779fd26

7 changed files with 1 additions and 30 deletions

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8

arch/x86/include/asm/apic.h

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6

arch/x86/kernel/apic/apic_noop.c

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8

arch/x86/kernel/apic/apic_numachip.c

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arch/x86/kernel/apic/x2apic_cluster.c

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arch/x86/kernel/apic/x2apic_phys.c

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arch/x86/kernel/apic/x2apic_uv_x.c

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arch/x86/xen/apic.c

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