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| author | zhouchuangao <zhouchuangao@vivo.com> | 2021-04-23 01:35:09 -0700 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-06-21 11:40:54 +0200 |
| commit | a2cdc24e20573cf719f3171071368f4f7781d970 (patch) | |
| tree | 694b2450e3075b0265bd649b6a4597a3118228a1 /arch/mips | |
| parent | f9cd46a4bb6ce8e9ca827afd2b294266251ef936 (diff) | |
| download | linux-stable-a2cdc24e20573cf719f3171071368f4f7781d970.tar.gz linux-stable-a2cdc24e20573cf719f3171071368f4f7781d970.tar.bz2 linux-stable-a2cdc24e20573cf719f3171071368f4f7781d970.zip | |
mips/kvm: Use BUG_ON instead of if condition followed by BUG
BUG_ON uses unlikely in if(), it can be optimized at compile time.
Usually, the condition in if() is not satisfied. In my opinion,
this can improve the efficiency of the multi-stage pipeline.
Signed-off-by: zhouchuangao <zhouchuangao@vivo.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/kvm/tlb.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 1088114e5482..a3b50d5e3b25 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -58,8 +58,7 @@ static int _kvm_mips_host_tlb_inv(unsigned long entryhi) tlb_probe_hazard(); idx = read_c0_index(); - if (idx >= current_cpu_data.tlbsize) - BUG(); + BUG_ON(idx >= current_cpu_data.tlbsize); if (idx >= 0) { write_c0_entryhi(UNIQUE_ENTRYHI(idx)); |