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authorMarc Zyngier <maz@kernel.org>2021-10-21 20:04:12 +0300
committerMarc Zyngier <maz@kernel.org>2021-10-26 13:18:33 +0300
commiteb5411334c289c473bc11d5cef8b0bea8d7ce324 (patch)
tree1f5eb40b2a0d5b3d7e16afed2cb9df069962855f /arch/mips/loongson64
parentbf8bde41d296849fd5f9db8becd71ad4e84bc521 (diff)
downloadlinux-eb5411334c289c473bc11d5cef8b0bea8d7ce324.tar.xz
MIPS: loongson64: Drop call to irq_cpu_offline()
Also loongson64 calls irq_cpu_offline(), none of its interrupt controllers implement the .irq_cpu_offline callback. It is thus obvious that this call only serves the dubious purpose of wasting precious CPU cycles by iterating over all interrupts. Get rid of the call altogether. Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Tested-by: Serge Semin <fancer.lancer@gmail.com> Link: https://lore.kernel.org/r/20211021170414.3341522-2-maz@kernel.org
Diffstat (limited to 'arch/mips/loongson64')
-rw-r--r--arch/mips/loongson64/smp.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
index 09ebe84a17fe..660e1de4412a 100644
--- a/arch/mips/loongson64/smp.c
+++ b/arch/mips/loongson64/smp.c
@@ -550,7 +550,6 @@ static int loongson3_cpu_disable(void)
set_cpu_online(cpu, false);
calculate_cpu_foreign_map();
local_irq_save(flags);
- irq_cpu_offline();
clear_c0_status(ST0_IM);
local_irq_restore(flags);
local_flush_tlb_all();