The branch main has been updated by dchagin:
URL:
https://cgit.FreeBSD.org/src/commit/?id=0b5d5dc3767fcf2f0198f0f9549cb23983e0ee3e
commit 0b5d5dc3767fcf2f0198f0f9549cb23983e0ee3e
Author: Dmitry Chagin <dcha...@freebsd.org>
AuthorDate: 2022-05-15 17:58:47 +0000
Commit: Dmitry Chagin <dcha...@freebsd.org>
CommitDate: 2022-05-15 17:58:47 +0000
linux(4): Retire unneeded initialization
Both uc_flags and uc_link are zeroed above. On amd64 and i386 the
uc_link field is not used at all. The UC_FP_XSTATE bit should be set
in the uc_flags if OS xsave knob is turned on (and xsave is implemented).
MFC after: 2 weeks
---
sys/amd64/linux32/linux32_sysvec.c | 3 ---
sys/i386/linux/linux_sysvec.c | 3 ---
2 files changed, 6 deletions(-)
diff --git a/sys/amd64/linux32/linux32_sysvec.c
b/sys/amd64/linux32/linux32_sysvec.c
index b57d6f93d94b..ed430c8e579a 100644
--- a/sys/amd64/linux32/linux32_sysvec.c
+++ b/sys/amd64/linux32/linux32_sysvec.c
@@ -325,9 +325,6 @@ linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t
*mask)
/*
* Build the signal context to be used by sigreturn and libgcc unwind.
*/
- frame.sf_sc.uc_flags = 0; /* XXX ??? */
- frame.sf_sc.uc_link = 0; /* XXX ??? */
-
frame.sf_sc.uc_stack.ss_sp = PTROUT(td->td_sigstk.ss_sp);
frame.sf_sc.uc_stack.ss_size = td->td_sigstk.ss_size;
frame.sf_sc.uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK)
diff --git a/sys/i386/linux/linux_sysvec.c b/sys/i386/linux/linux_sysvec.c
index 53e55557e6f7..9f0647f73c0c 100644
--- a/sys/i386/linux/linux_sysvec.c
+++ b/sys/i386/linux/linux_sysvec.c
@@ -431,9 +431,6 @@ linux_rt_sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t
*mask)
siginfo_to_lsiginfo(&ksi->ksi_info, &frame.sf_si, sig);
/* Build the signal context to be used by sigreturn. */
- frame.sf_sc.uc_flags = 0; /* XXX ??? */
- frame.sf_sc.uc_link = NULL; /* XXX ??? */
-
frame.sf_sc.uc_stack.ss_sp = PTROUT(td->td_sigstk.ss_sp);
frame.sf_sc.uc_stack.ss_size = td->td_sigstk.ss_size;
frame.sf_sc.uc_stack.ss_flags = (td->td_pflags & TDP_ALTSTACK)
