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 472FD1FA856 for ; Fri, 14 Mar 2025 21:41:54 +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=1741988515; cv=none; b=KdVEsOXWcvuNRWqztx2vQlLp/q19WSwMCV3iXRUbIAjoK3UXYPCJkayfpQ1sUNmGts4kAOrPhRr+/uomzgz1JguNMxaf0hoH7M+rjgSoAjV3z+EghUifwgfw/Xm+pFrV18vSIcKyalCkkf52QBVeZyufA5ke3dXZqb4BoTvIboM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741988515; c=relaxed/simple; bh=x+l2LdwKG2r1cBZTTsew5lGF5mDXEqksJXo/DOHT6uk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PyOtd0sq25RDMcbEAgwlgg9x7lulN7JC4jXPYTLBZYC43+qwA5yuHRazMcxY2kZSLbRyk9kTU4UXMqhiQuqZAc8p2WPs2IUKi4/PtpUHPR6ggLhTCbz4MOQbXIPpSTJXpYpMMJivbGbCrgKt3EFak0lWW3yYAHtIZFMchDI7yrU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ryIPU3kh; 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="ryIPU3kh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63C1FC4CEEE; Fri, 14 Mar 2025 21:41:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741988514; bh=x+l2LdwKG2r1cBZTTsew5lGF5mDXEqksJXo/DOHT6uk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ryIPU3khRA5CfmNUlsTYFAu+IUvao7zDIA8G9z7OoU4eX5XoRiBVlQMV8m6F8ZJIL JeK3AwxJXyBQ8W1bK/plKY3qQr5HwNuz82O1ZhduuYKXh1iwzqko1QrK1h2ZkZkgjv 85wUTKnLi/w+6f02GXf/FhGwnVobOH9dJfmifXRqD9l6pkbYzdh8YC6eLI7DixRETL QvLcebHLtCavc1bBQMImiv3bDLYPji+hXHHeqGnzGlNhs3pB62d9G199OxqQXY0fhO cATQT3JJDOhspNxUV3/tC1+dY4yS93XdHJJYEJOwijI1ksbGbqwkdH050EPCbU7aQl udwQw/DYtXaUg== 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 01/20] x86/cpu: Use named asm operands in prefetch[w]() Date: Fri, 14 Mar 2025 14:41:14 -0700 Message-ID: <0e7fb0082e4d4d2b303819a2cef243a32fd86774.1741988314.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 removing the operand numbering restrictions in alternative_input(). Signed-off-by: Josh Poimboeuf --- arch/x86/include/asm/processor.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/proces= sor.h index 5d2f7e5aff26..2e9566134949 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -613,7 +613,7 @@ extern char ignore_fpu_irq; # define BASE_PREFETCH "" # define ARCH_HAS_PREFETCH #else -# define BASE_PREFETCH "prefetcht0 %1" +# define BASE_PREFETCH "prefetcht0 %[val]" #endif =20 /* @@ -624,9 +624,9 @@ extern char ignore_fpu_irq; */ static inline void prefetch(const void *x) { - alternative_input(BASE_PREFETCH, "prefetchnta %1", - X86_FEATURE_XMM, - "m" (*(const char *)x)); + alternative_input(BASE_PREFETCH, + "prefetchnta %[val]", X86_FEATURE_XMM, + [val] "m" (*(const char *)x)); } =20 /* @@ -636,9 +636,9 @@ static inline void prefetch(const void *x) */ static __always_inline void prefetchw(const void *x) { - alternative_input(BASE_PREFETCH, "prefetchw %1", - X86_FEATURE_3DNOWPREFETCH, - "m" (*(const char *)x)); + alternative_input(BASE_PREFETCH, + "prefetchw %[val]", X86_FEATURE_3DNOWPREFETCH, + [val] "m" (*(const char *)x)); } =20 #define TOP_OF_INIT_STACK ((unsigned long)&init_stack + sizeof(init_stack)= - \ --=20 2.48.1