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[209.51.188.17]) by mx.google.com with ESMTPS id af79cd13be357-7caf75c999asi421752785a.522.2025.05.08.02.36.21 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 08 May 2025 02:36:21 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=RsWvonQZ; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=redhat.com Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uCxfU-0005PJ-9R; Thu, 08 May 2025 05:35:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uCxfT-0005P8-Fq for qemu-arm@nongnu.org; Thu, 08 May 2025 05:35:51 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uCxfR-0007m5-QF for qemu-arm@nongnu.org; Thu, 08 May 2025 05:35:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1746696949; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nU4LiLynOrWE+N38igctS6l33SUxz1Pd5CrmiqYD5vI=; b=RsWvonQZNhtIxX09T9I0Qebo4PGY3pxTaaVvGJCcWJ01FCrTmrkEAj+jvFlg7e2r8wYxUC LBZKRQ6hf7MyfmDwVRYJ9Yt1EUDN0T0VnZt9vO7rWytAnGxrmz6U3alyGfWtrqleARb34y /By6cjaQTSh3puvj20mhgfkAeHd/KQU= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-18-U53I7ScRNmuThrUlJpeP0w-1; Thu, 08 May 2025 05:35:47 -0400 X-MC-Unique: U53I7ScRNmuThrUlJpeP0w-1 X-Mimecast-MFC-AGG-ID: U53I7ScRNmuThrUlJpeP0w_1746696946 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A4E67180045C; Thu, 8 May 2025 09:35:46 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.44.32.200]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id BD7C91955F24; Thu, 8 May 2025 09:35:42 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-arm@nongnu.org, Brad Smith Cc: Warner Losh , Paolo Bonzini , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PATCH 5/5] Revert "meson.build: Disable -fzero-call-used-regs on OpenBSD" Date: Thu, 8 May 2025 11:35:19 +0200 Message-ID: <20250508093519.144004-6-thuth@redhat.com> In-Reply-To: <20250508093519.144004-1-thuth@redhat.com> References: <20250508093519.144004-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 2V_LOXktuFnQ0FsBJ64FahJSmuwdFhUFoKZ2S2k5Jh8_1746696946 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.414, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: 85k6FU8ZdHyr From: Thomas Huth This reverts commit 2d6d995709482cc8b6a76dbb5334a28001a14a9a. OpenBSD 7.7 fixed the problem with the -fzero-call-used-regs on OpenBSD, see https://github.com/openbsd/src/commit/03eca72d1e030b7a542cd6aec1 for the fix there. Suggested-by: Brad Smith Signed-off-by: Thomas Huth --- meson.build | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/meson.build b/meson.build index 6c61e1dcaec..5f0e6a65cb0 100644 --- a/meson.build +++ b/meson.build @@ -699,11 +699,7 @@ hardening_flags = [ # # NB: Clang 17 is broken and SEGVs # https://github.com/llvm/llvm-project/issues/75168 -# -# NB2: This clashes with the "retguard" extension of OpenBSD's Clang -# https://gitlab.com/qemu-project/qemu/-/issues/2278 -if host_os != 'openbsd' and \ - cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }', +if cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }', name: '-fzero-call-used-regs=used-gpr', args: ['-O2', '-fzero-call-used-regs=used-gpr']) hardening_flags += '-fzero-call-used-regs=used-gpr' -- 2.49.0