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x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE
authorThomas Gleixner <[email protected]>
Thu, 21 May 2020 20:05:45 +0000 (22:05 +0200)
committerThomas Gleixner <[email protected]>
Thu, 11 Jun 2020 13:15:16 +0000 (15:15 +0200)
commit13cad9851ef1d004640991d45227dd35c08f45fc
tree2860cb1e13764f0590687a87300e16c30aebd268tree | snapshot
parentcb09ea2924cbf1a42da59bd30a59cc1836240bcbcommit | diff
x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE

The scheduler IPI does not need the full interrupt entry handling logic
when the entry is from kernel mode. Use IDTENTRY_SYSVEC_SIMPLE and spare
all the overhead.

Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Andy Lutomirski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
arch/x86/entry/entry_64.S diff | blob | blame | history
arch/x86/include/asm/entry_arch.h diff | blob | blame | history
arch/x86/include/asm/hw_irq.h diff | blob | blame | history
arch/x86/include/asm/idtentry.h diff | blob | blame | history
arch/x86/include/asm/trace/common.h diff | blob | blame | history
arch/x86/include/asm/trace/irq_vectors.h diff | blob | blame | history
arch/x86/kernel/idt.c diff | blob | blame | history
arch/x86/kernel/smp.c diff | blob | blame | history
arch/x86/kernel/tracepoint.c diff | blob | blame | history
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