From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x226XEx7gr/feTe9aAe5BXuJR9FZ0s6hKELJy1cLNKZocozDJdJlFe8GfKerYDaRPLFy9rAMq ARC-Seal: i=1; a=rsa-sha256; t=1519218550; cv=none; d=google.com; s=arc-20160816; b=U21NO5Mfo/het0mu7HsAgk1VRFRy/M4eL5fj57IDHR/NLoRLkXf2ZCt9VmhwQU6y7x Zz/516OD89pOqkrasIiU4KWzRbckWrAzIk9b6gY07gyfeh8JwhDMsAF9ukSuTkM2khrw deXZGFMzVhFhTUgRvqwegaAna6RBUTBI1zFjTL5kqWJIjh6tW9hnKayEDMNsc1dhT/Pu zZBMFPsqtwaJTmoFNP1XK4fchiIR7y1sc4YvHRIlNoBHgVU+tPtGkiEC86t06bZGKZDk gOU/dzbDg9RXO0hz/O+Cccszxc7LwUeg19jOFWrjoU+AQbsizafmnayEYcXDSNu0SS9k Dq0A== 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=951wmQsPQs+Lo5B81AhD7SVLsKdnTcf6FXgQgxdomDc=; b=Q7H4yZhF5tk2V1XeGt98dxrqhZSlRxk4EgdhNd85y9DpdnniOYprJbQblC6nKyUDhJ ARPbPSLW+VahjXXZtKSgIqIkbbb0tn25wWLobNCn+c+3bZ5D3a0ep7kpdHj/nk58E7XS lUXeNcbG6+z8DjfSQ7zWNa6bDqFUw1DimXB1lNcvFi9y43DeC/xMSJp85aI7NDYZzVf0 awBQ2cwarD3p2JfSBL2CSnL21YhhxV5aPp1vYBAE7q+DsgZWGyVoq+TDiEVrDflXwwno smdVwcpXPo88Cj9v8ZW1VyJ4Cxs9/n730g6PL0o2qM3R9juU8QLDHWMp08kAyYJuLTXE 6ylg== 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 4.15 079/163] x86/speculation: Fix up array_index_nospec_mask() asm constraint Date: Wed, 21 Feb 2018 13:48:28 +0100 Message-Id: <20180221124534.809121884@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180221124529.931834518@linuxfoundation.org> References: <20180221124529.931834518@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?1593016111626105440?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-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 @@ -40,7 +40,7 @@ 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; }