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| author | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-05-30 16:49:45 +0000 |
|---|---|---|
| committer | Dmitry Chagin <dchagin@FreeBSD.org> | 2022-05-30 16:49:45 +0000 |
| commit | c30a767c6fd6d3f19e897fb800513e75175249b9 (patch) | |
| tree | b6d83ef187b33b2126c4e9a853b2473640af71dd /sys/amd64/linux | |
| parent | 2ab9b59faafb68402dbebc285b424cfb06b59cf3 (diff) | |
| download | src-c30a767c6fd6d3f19e897fb800513e75175249b9.tar.gz src-c30a767c6fd6d3f19e897fb800513e75175249b9.zip | |
linux(4): Microoptimize rt_sendsig(), convert signal mask once
On amd64 Linux saves the thread signal mask in both contexts, in the machine
dependent and in the machine independent. Both contexts are user accessible.
Convert the mask once, then copy it.
MFC after: 2 weeks
Diffstat (limited to 'sys/amd64/linux')
| -rw-r--r-- | sys/amd64/linux/linux_sysvec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/amd64/linux/linux_sysvec.c b/sys/amd64/linux/linux_sysvec.c index 7aa2cfc1b30e..4cd41b364b95 100644 --- a/sys/amd64/linux/linux_sysvec.c +++ b/sys/amd64/linux/linux_sysvec.c @@ -576,7 +576,7 @@ linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask) /* Save user context. */ bzero(&sf, sizeof(sf)); bsd_to_linux_sigset(mask, &sf.sf_uc.uc_sigmask); - bsd_to_linux_sigset(mask, &sf.sf_uc.uc_mcontext.sc_mask); + sf.sf_uc.uc_mcontext.sc_mask = sf.sf_uc.uc_sigmask; sf.sf_uc.uc_stack.ss_sp = PTROUT(td->td_sigstk.ss_sp); sf.sf_uc.uc_stack.ss_size = td->td_sigstk.ss_size; |