From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZpyprzdmVOD2pUde5j5JLN2hOre1FK7Ha9wBGVB4U97K/7PjbOwQu3EU12LDJ2uI43CdIKi ARC-Seal: i=1; a=rsa-sha256; t=1526937330; cv=none; d=google.com; s=arc-20160816; b=o2fwqUsX5XIYqZLYN/V2fg7xnrrdF2Q518sWidbNiDGsbzda+ZepSs1d/9CktAvYj6 isEdlIFxGCg6nC0oO8NBYlXa3pyDXaNi10nP5VkORMA6tSTC4WzQz7F0X/Dw3fu+CR5A +9v4qzOKzfFMEUreoJ+ChcuJ+16P5YLB7LqqTwSwyi20K/rE191CHN59hZOTxegu1WNd NkBFjATAv+dvKGzX7AQ5U3CIuXuYr7ifSBYz3wa0RvZSppSppySCqku1CTTI2mA0I0L+ NNBUkvQ10pTeEZclpkt5+bAWzr/mDZRFQ/mBfyzlJuqX7hjZzM+0JIq2awlm2DsjePjh c7aw== 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:dkim-signature:arc-authentication-results; bh=lVGu8nw6pvq3NpPVr+QTu5EGi+E8Gq/h0Tk08UmyfsM=; b=TXHJOWR7PglB9AZUmEGFX0C7A4+RAuSsnyp57Lu55P7R6LJqbFi4r5LW/KfVNA13iH dZVrMyyXAKTZP611fclK4Bz/GCypRWpkYucc5xrUX2ilsoJH/ZB6jyLlYgH+gmxwW1EQ gaZVrxhobmOkhVMZF1pMTlbAw9C95k2qIdCL40wGUyyHs3ULSUW9SHDCG228l0n4m4yK 01W7O0oTXFhxuVl3tp2g0VDwgRnW8H0WEvdiu6WC+SP3P1dNG3sMIC3IMBoPkDVNE2Jz 4kSON7gEHVqwov3ETQwQywDAEl6SQZFLIYm1mZL/vU6SWC5ELuWVXbALaq9zOWE17AKo ay3Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=2vkx09fL; spf=pass (google.com: domain of srs0=nia/=ii=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=nia/=II=linuxfoundation.org=gregkh@kernel.org Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=2vkx09fL; spf=pass (google.com: domain of srs0=nia/=ii=linuxfoundation.org=gregkh@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=SRS0=nia/=II=linuxfoundation.org=gregkh@kernel.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Konrad Rzeszutek Wilk , Thomas Gleixner , Ingo Molnar , David Woodhouse Subject: [PATCH 4.9 42/87] x86/cpufeatures: Add X86_FEATURE_RDS Date: Mon, 21 May 2018 23:11:18 +0200 Message-Id: <20180521210424.384456853@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180521210420.222671977@linuxfoundation.org> References: <20180521210420.222671977@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?1601109838920846580?= X-GMAIL-MSGID: =?utf-8?q?1601109838920846580?= 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: Konrad Rzeszutek Wilk commit 0cc5fa00b0a88dad140b4e5c2cead9951ad36822 upstream Add the CPU feature bit CPUID.7.0.EDX[31] which indicates whether the CPU supports Reduced Data Speculation. [ tglx: Split it out from a later patch ] Signed-off-by: Konrad Rzeszutek Wilk Signed-off-by: Thomas Gleixner Reviewed-by: Ingo Molnar Signed-off-by: David Woodhouse Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/cpufeatures.h | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -306,6 +306,7 @@ #define X86_FEATURE_SPEC_CTRL (18*32+26) /* "" Speculation Control (IBRS + IBPB) */ #define X86_FEATURE_INTEL_STIBP (18*32+27) /* "" Single Thread Indirect Branch Predictors */ #define X86_FEATURE_ARCH_CAPABILITIES (18*32+29) /* IA32_ARCH_CAPABILITIES MSR (Intel) */ +#define X86_FEATURE_RDS (18*32+31) /* Reduced Data Speculation */ /* * BUG word(s)