Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-21 15:33:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

mips/kvm: Use BUG_ON instead of if condition followed by BUG

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/mips/kvm/tlb.c
View File

@ -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));