From nobody Wed Dec 17 20:50:15 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 5AA54235C01 for ; Fri, 14 Mar 2025 21:42:04 +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=1741988525; cv=none; b=mdt1m3mKCDJs07PMfopqe4PM+/jBXj7gXQ54NbcO+s7QnJneoGfBKDwMhlpvFlD0ptbnpxJ2AWH8LTYePPmllKyAqK83lvWuhjoAh5vP1Hx9CnbH6eQ3HaBFvbYXrWIc2eo06OBvP3vt6Jz9XlY6VnXXkfpj9ryNzn/IVVkiqTg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741988525; c=relaxed/simple; bh=qkGFv5PkAYcsVJJDYuUSexRQt+wXN3/4FXTTpwxW2NI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FDOby0vu7JNSbJrTSqq+QhC0YKWPV530lLCM2Vr8Tz+zJmjyD6537hnA+lldg31bgg8i1ZUsTTffEA8uEplmopLIBogUOApnxvUoeispPWgfm/DW+qjiaiZTqDG48v5/nrMiN6EGZZfudFdzMwIoGWxB/7OaPyu6eka9d48axKs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nQZfgOzL; 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="nQZfgOzL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66E4CC4CEEF; Fri, 14 Mar 2025 21:42:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741988524; bh=qkGFv5PkAYcsVJJDYuUSexRQt+wXN3/4FXTTpwxW2NI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nQZfgOzL1IkA/XyvFXbht5J0EPTQVYmV5Z7C8DDVCDs9yuZdttYIvwRxsUbLPLlZe cecAEaGCpwNkL/56dllMDJ1e430Dze7US1UlVwwEnZJCnVrQDgSK8XVC5iHXXbvG9X LPeiUcAObJiaW4jHh8ydRAUbLVHb2x5j1y6rVfGOZk2MacTsJyZBlxRVoNN9xq2a9h H5unFA3tBLpMGx5xbjo0tCVVvzpk7blLZm8eNaOWGNDJj3nAAwZ5WWrWqTKZSMHeXf fEFniofwyX+I8ViUNlUVf4j3pHAV5amugYUTjIgCV3/u+GGdolLhuF+ItPTll6aEkG izSC6QT3RQi3g== 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 19/20] x86/uaccess: Use alternative_io() in __untagged_addr() Date: Fri, 14 Mar 2025 14:41:32 -0700 Message-ID: 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 the standard alternative_io() interface. Signed-off-by: Josh Poimboeuf --- arch/x86/include/asm/uaccess_64.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uacce= ss_64.h index c52f0133425b..b507d5fb5443 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -26,10 +26,10 @@ extern unsigned long USER_PTR_MAX; */ static inline unsigned long __untagged_addr(unsigned long addr) { - asm (ALTERNATIVE("", - "and " __percpu_arg([mask]) ", %[addr]", X86_FEATURE_LAM) - : [addr] "+r" (addr) - : [mask] "m" (__my_cpu_var(tlbstate_untag_mask))); + alternative_io("", + "and " __percpu_arg([mask]) ", %[addr]", X86_FEATURE_LAM, + ARG([addr] "+r" (addr)), + ARG([mask] "m" (__my_cpu_var(tlbstate_untag_mask)))); =20 return addr; } --=20 2.48.1