Date: Thu, 18 Jan 2018 12:08:52 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r328124 - stable/11/sys/amd64/amd64 Message-ID: <201801181208.w0IC8qZ8066769@repo.freebsd.org>
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Author: kib Date: Thu Jan 18 12:08:52 2018 New Revision: 328124 URL: https://svnweb.freebsd.org/changeset/base/328124 Log: MFC r327819: Do not redundantly clear %RFLAGS.DF on fast syscall entry. Modified: stable/11/sys/amd64/amd64/exception.S Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/amd64/amd64/exception.S ============================================================================== --- stable/11/sys/amd64/amd64/exception.S Thu Jan 18 12:07:37 2018 (r328123) +++ stable/11/sys/amd64/amd64/exception.S Thu Jan 18 12:08:52 2018 (r328124) @@ -410,7 +410,6 @@ IDTVEC(fast_syscall) movq %r14,TF_R14(%rsp) /* C preserved */ movq %r15,TF_R15(%rsp) /* C preserved */ movl $TF_HASSEGS,TF_FLAGS(%rsp) - cld FAKE_MCOUNT(TF_RIP(%rsp)) movq PCPU(CURTHREAD),%rdi movq %rsp,TD_FRAME(%rdi)
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