From nobody Mon Jun 26 12:08:33 2023 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4QqRSx3RYcz4k6gM; Mon, 26 Jun 2023 12:08:33 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4QqRSx2Hfqz3j31; Mon, 26 Jun 2023 12:08:33 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1687781313; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=6OapIoPvT1icZKb77CLEG3kWuhx2dU/AES30XOld21M=; b=VyKCPg/DXwQ119doJRaIUJdAwG8BVJiR4Ju1f5eh3F+YdAEwPn/uLA/jmX0HWTCqr0+8FN rj6fev1ytdLbyjQYvk5xx5KNmgy62Tg2ELcf8/UepHYq+3pEg7nf/RnxLBbs+maAlPFyo3 yiUBn8AVPTOvgfywg2uuBYe6EH2q4UnFHOPy/Ax1axgxQL9VJR81dQBmYBY8ieu+M5EBrk H5RwTaTK1aCfzggQO6/tkDtKJecGzHpId5509Bqp/SLkZRLbEOrQlNOwxEQR/hs9O2Drn0 5MJAwJ0AGNYv+QM6OolbCs4vtrhJ7xzFvL603/ejFKqFYYfYERa0W5xcG3oakA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1687781313; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=6OapIoPvT1icZKb77CLEG3kWuhx2dU/AES30XOld21M=; b=vhOyU8jh0M6qJJQ88pbuVcV3NcydGC6cQMfSldZycJ3ZGPzv5/UnSqdn1c3YBrRs1SgAMb g17U48ZiJUB09jcZKm0FLsBqljrOQkRRQvwKDdDocvKmqwvOlrUAiyizDG7KClhdLaYDci EaMyqktJVhcY3dzrLCNvfRnpl7jqKur+rpdsIX/z6w8HCZiWvnd7l4cEd5Qu3qKm7mjpqD KO0g3vzldEeTRXzYv+jkRZoie6HykiDOnPf/UJ19zFB9rJMhA1ZzjRV7tYcnN6t+VfpemZ HdQmZswxYJC8648dE7pLJvL1Uo8Hn2LZe3VRREP6rw1k96AYbKSrpeG4UJktDg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1687781313; a=rsa-sha256; cv=none; b=oJnvlGHU5rplvKPUpQ4g8ZNFIsP5PYItPjqZWHnc08jisdiveSHz3DJOto8FmrzUgL3G3A PhatHQOn7kmROTBkGHBxrO+jnvPzsNkfEAENQOhbwEB8UvFZwzTeJgikZzcLizczq558ap j2Fi0GzpSzw3DRvi6Moghzniq0COVcKhMMV3nF5BVgc0/cRaWlekxm/Tcf6rkgcGCyAmjP ReH1V/ic2q6csczR1XFaUB1Ts/e3TRQCRDISRqM1kK/um3w3d8i1ugcRnwQ3ydzkcE11MJ ItZVG7bCChah5/uM+W1lQ0oGmn8ODl19j3PoZJopncO+ri6LUX2KzIh4iZCJHQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4QqRSx1P03z17wh; Mon, 26 Jun 2023 12:08:33 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 35QC8XSK083019; Mon, 26 Jun 2023 12:08:33 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 35QC8XGl083018; Mon, 26 Jun 2023 12:08:33 GMT (envelope-from git) Date: Mon, 26 Jun 2023 12:08:33 GMT Message-Id: <202306261208.35QC8XGl083018@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: "Bjoern A. Zeeb" Subject: git: 38f969d41c54 - stable/13 - LinuxKPI: fix READ_ONCE() -Wcast-equal warnings List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bz X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 38f969d41c5487f61fdf03dcc95c1cff0ec679cc Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by bz: URL: https://cgit.FreeBSD.org/src/commit/?id=38f969d41c5487f61fdf03dcc95c1cff0ec679cc commit 38f969d41c5487f61fdf03dcc95c1cff0ec679cc Author: Bjoern A. Zeeb AuthorDate: 2023-04-19 21:43:59 +0000 Commit: Bjoern A. Zeeb CommitDate: 2023-06-26 09:09:53 +0000 LinuxKPI: fix READ_ONCE() -Wcast-equal warnings Rather than using ACCESS_ONCE() in READ_ONCE() add a missing cast to const in order to satisfy -Wcast-equal by gcc. Sadly we cannot do the same to WRITE_ONCE() which still is very noisy. Sponsored by: The FreeBSD Foundation Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D39706 (cherry picked from commit 74e908b3c63b28de1d590dc42502fbe959a6da2e) --- sys/compat/linuxkpi/common/include/linux/compiler.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/compat/linuxkpi/common/include/linux/compiler.h b/sys/compat/linuxkpi/common/include/linux/compiler.h index 87a37228736f..801618e15f9f 100644 --- a/sys/compat/linuxkpi/common/include/linux/compiler.h +++ b/sys/compat/linuxkpi/common/include/linux/compiler.h @@ -98,7 +98,7 @@ #define READ_ONCE(x) ({ \ __typeof(x) __var = ({ \ barrier(); \ - ACCESS_ONCE(x); \ + (*(const volatile __typeof(x) *)&(x)); \ }); \ barrier(); \ __var; \