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c2b1063e8f
The whole call to note_interrupt() can be avoided or return early when interrupts would be marked accordingly. For IPI handlers which always return HANDLED the whole procedure is pretty pointless to begin with. Add a IRQF_NO_DEBUG flag and mark the interrupt accordingly if supplied when the interrupt is requested. When noirqdebug is set on the kernel commandline, then the interrupt is marked unconditionally so that there is only one condition in the hotpath to evaluate. [ clg: Add changelog ] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/7a8ad02f-63a8-c1aa-fdd1-39d973593d02@kaod.org |
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.. | ||
affinity.c | ||
autoprobe.c | ||
chip.c | ||
cpuhotplug.c | ||
debug.h | ||
debugfs.c | ||
devres.c | ||
dummychip.c | ||
generic-chip.c | ||
handle.c | ||
internals.h | ||
ipi.c | ||
irq_sim.c | ||
irqdesc.c | ||
irqdomain.c | ||
Kconfig | ||
Makefile | ||
manage.c | ||
matrix.c | ||
migration.c | ||
msi.c | ||
pm.c | ||
proc.c | ||
resend.c | ||
settings.h | ||
spurious.c | ||
timings.c |