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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>
This commit is contained in:
zhouchuangao 2021-04-23 01:35:09 -07:00 committed by Thomas Bogendoerfer
parent f9cd46a4bb
commit a2cdc24e20
1 changed files with 1 additions and 2 deletions
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arch/mips/kvm/tlb.c
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@ -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));