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Sun, 28 Aug 2022 00:41:52 GMT (envelope-from git) Date: Sun, 28 Aug 2022 00:41:52 GMT Message-Id: <202208280041.27S0fqQg009757@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: e59d99e6e698 - stable/13 - amd64: update comment for casueword/casueword32, mentioning return value 1 List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: e59d99e6e698f08ef79eb452daf209b53212a633 Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; 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mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=e59d99e6e698f08ef79eb452daf209b53212a633 commit e59d99e6e698f08ef79eb452daf209b53212a633 Author: Konstantin Belousov AuthorDate: 2022-08-25 23:41:48 +0000 Commit: Konstantin Belousov CommitDate: 2022-08-28 00:41:23 +0000 amd64: update comment for casueword/casueword32, mentioning return value 1 (cherry picked from commit c1a0ab5ec525c4cb2dee4aad72d27f195e21450c) --- sys/amd64/amd64/support.S | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sys/amd64/amd64/support.S b/sys/amd64/amd64/support.S index 09e73800bddd..a8a3f1869e22 100644 --- a/sys/amd64/amd64/support.S +++ b/sys/amd64/amd64/support.S @@ -922,7 +922,8 @@ copy_fault: /* * casueword32. Compare and set user integer. Returns -1 on fault, - * 0 if access was successful. Old value is written to *oldp. + * 0 if access was successful, and 1 when comparision failed. + * Old value is written to *oldp. * dst = %rdi, old = %esi, oldp = %rdx, new = %ecx */ ENTRY(casueword32_nosmap) @@ -1001,7 +1002,8 @@ END(casueword32_smap) /* * casueword. Compare and set user long. Returns -1 on fault, - * 0 if access was successful. Old value is written to *oldp. + * 0 if access was successful, and 1 when comparision failed. + * Old value is written to *oldp. * dst = %rdi, old = %rsi, oldp = %rdx, new = %rcx */ ENTRY(casueword_nosmap)