From nobody Wed Dec 17 20:50:17 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C9BD2343AF for ; Fri, 14 Mar 2025 21:42:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741988524; cv=none; b=AMJpvTpZfexZQ7utMsNkxNNUIs6W4Ilvmbk2z3AwQmxNvybCN86ysGCh/H2SMO/klPhwYu9MD+kWh3/I/NoNfos2OjlQsti96CLHjIUMhn7vQVgYWORRLpli8wse/RAz9zxouII6AxyVz/ZbngKjRAFO7cYtXG3gPBP7QYriAwg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741988524; c=relaxed/simple; bh=cIjsaFbFwtTvmpVudgpMPXuLdFSOFmDjD4OJNzfEUJg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JmRZmGvq9f0GUCZQFTuhCkRtV1gfBYl5TeHs/fFJ6dkFcvzv9gyxrooVL8TQnOPOdKOf/BMuyogHQEcBieQurNnRrcQSuxnKK11xXBMllJ/YI0GFuAnYWo1NYIBuFOTl2acy7+T5Vkh5l9CjfhSvRfiBwhOv+6NJZQ3b/P5CSC4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UtJqmxV7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UtJqmxV7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4918EC4CEEF; Fri, 14 Mar 2025 21:42:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741988523; bh=cIjsaFbFwtTvmpVudgpMPXuLdFSOFmDjD4OJNzfEUJg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UtJqmxV7hoMxDMVA64kc/Igh309ltaOhRT8r65+Pq3JUVvARqZDajOG5DbZu2T5+1 JZUnjjx5PIk0CKeZ9O8XUL5KzJE3D9AF9XuvJCGe/KpLzRM/oYQfD20z/wGcXkJBIP oAensFkCFdVGJJHvipTYqhJCFcTC1LxxvMqWz7MXqENRHwkrR4EeC59x0+d8nFeqOJ /18ur0im0NgquvIZjDig9AezlklPRC0VsxvUabPOcGAxiycMiU1dUGRfsQTOkM1G/N HMfRr5MfqHVaTFPL/Mxt57A/hV5PLdetJtlWatVyPtW3tZ7m1NDqMVO/gU09ROlbzR PkarKGWAZxmgQ== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Linus Torvalds , Peter Zijlstra , Borislav Petkov , "H. Peter Anvin" , Uros Bizjak , Andrew Cooper , Ingo Molnar Subject: [PATCH 17/20] x86/smap: Use named asm operands in smap_{save,restore}() Date: Fri, 14 Mar 2025 14:41:30 -0700 Message-ID: <4631b5fb3e33af925f4bd82ecb56a5facff354cf.1741988314.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use named operands in preparation for using alternative_io(). Signed-off-by: Josh Poimboeuf --- arch/x86/include/asm/smap.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h index 2de1e5a75c57..60ea21b4c8b7 100644 --- a/arch/x86/include/asm/smap.h +++ b/arch/x86/include/asm/smap.h @@ -40,9 +40,9 @@ static __always_inline unsigned long smap_save(void) unsigned long flags; =20 asm volatile ("# smap_save\n\t" - ALTERNATIVE("", "pushf; pop %0; " "clac" "\n\t", - X86_FEATURE_SMAP) - : "=3Drm" (flags) : : "memory", "cc"); + ALTERNATIVE("", + "pushf; pop %[flags]; clac\n\t", X86_FEATURE_SMAP) + : [flags] "=3Drm" (flags) : : "memory", "cc"); =20 return flags; } @@ -50,9 +50,9 @@ static __always_inline unsigned long smap_save(void) static __always_inline void smap_restore(unsigned long flags) { asm volatile ("# smap_restore\n\t" - ALTERNATIVE("", "push %0; popf\n\t", - X86_FEATURE_SMAP) - : : "g" (flags) : "memory", "cc"); + ALTERNATIVE("", + "push %[flags]; popf\n\t", X86_FEATURE_SMAP) + : : [flags] "g" (flags) : "memory", "cc"); } =20 /* These macros can be used in asm() statements */ --=20 2.48.1