From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x224AUEv0UnTYrHa1FoR4LYWk5mtJFEYH58oziF0LtwS3SjDWTjUo+TXpskTqIus13j9cdTOW ARC-Seal: i=1; a=rsa-sha256; t=1519217802; cv=none; d=google.com; s=arc-20160816; b=KdYkdCgcVmSYKHWaOVlQgac6ZyjkBbOEKnfhNKyP601DjjOq/8+5tFaiX5gi7IBStS nDQ72upUzzRqRPExCQiwDmvDx6DVrYPhY96nhRzhZWxgR2tXrxZ/x4tpI1++b5iAeQg0 67WoPxV7xRFyWa7yaR/TDnPG7gOcJdQxbrQWM+WpK5Bft2BMhzSa4n5RyhZaeHhWygUV 646rXjluzqC5J4g8OcYzZRJ4KMEtjfyEYeoIhLhy+TQ7E21goRIwS+WcGEd1rb64WGsJ 6QkHqxJ10BaKQQaI1ABS6S8MA7vvpfh0SAKIvN/ytmEZdO8IqbroebQ3KvNRDQSCQA7Z +/8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=yMfs3wFJdW88thQPX3k2Db5eVPwFf2kRekYeqacSDww=; b=SW2KWc3jlzSm9mNfE88coNerVLodxiuhfeE5ACH5XVXa/DUGDZpTsJkeNhaQyaEPRa kVolwzVv/+X/IdYIiohvuP1K0yenFXl24EaZ6iYOMr5XrcjJD7xpGnaT4h7Z9fWBmqpM UX/qC8pLVFUfrkegN9LdFEAsTN8Xr5q+xcFyU0thFHHFxXPGUXuIaFttQEshbAjaic1e Gxv6T0BVX8PazrxpgZcwTqcrnop/kaAM7/BkUz5IGeIuR4BFQ2uIYlIcNxHlEIJc4Db3 sP7m+sWAaUDWaIOZEFtmsl4mHdty1WSj+LJ7d8VBtTe+k0/P55FB6arvXhlstZPT/0vg RlQg== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Linus Torvalds , Dan Williams , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar Subject: [PATCH 4.9 60/77] x86/speculation: Fix up array_index_nospec_mask() asm constraint Date: Wed, 21 Feb 2018 13:49:09 +0100 Message-Id: <20180221124434.735031078@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180221124432.172390020@linuxfoundation.org> References: <20180221124432.172390020@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1593015326563332665?= X-GMAIL-MSGID: =?utf-8?q?1593015326563332665?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Williams commit be3233fbfcb8f5acb6e3bcd0895c3ef9e100d470 upstream. Allow the compiler to handle @size as an immediate value or memory directly rather than allocating a register. Reported-by: Linus Torvalds Signed-off-by: Dan Williams Cc: Andy Lutomirski Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/151797010204.1289.1510000292250184993.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/barrier.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -39,7 +39,7 @@ static inline unsigned long array_index_ asm ("cmp %1,%2; sbb %0,%0;" :"=r" (mask) - :"r"(size),"r" (index) + :"g"(size),"r" (index) :"cc"); return mask; }