From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754741AbZD1PJ4 (ORCPT ); Tue, 28 Apr 2009 11:09:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761651AbZD1PGq (ORCPT ); Tue, 28 Apr 2009 11:06:46 -0400 Received: from outbound-sin.frontbridge.com ([207.46.51.80]:35773 "EHLO SG2EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761280AbZD1PGo (ORCPT ); Tue, 28 Apr 2009 11:06:44 -0400 X-BigFish: VPS1(zzzz1202hzzz32i62h) X-Spam-TCS-SCL: 1:0 X-WSS-ID: 0KITGMR-01-UAQ-01 From: Borislav Petkov To: akpm@linux-foundation.org, greg@kroah.com CC: , Doug Thompson , Borislav Petkov Subject: [PATCH 14/21] amd64_edac: add msr accessors operating on all cpus Date: Tue, 28 Apr 2009 17:06:06 +0200 Message-ID: <1240931173-17477-15-git-send-email-borislav.petkov@amd.com> X-Mailer: git-send-email 1.6.2.4 In-Reply-To: <1240931173-17477-1-git-send-email-borislav.petkov@amd.com> References: <1240931173-17477-1-git-send-email-borislav.petkov@amd.com> X-OriginalArrivalTime: 28 Apr 2009 15:06:22.0912 (UTC) FILETIME=[E4B9D400:01C9C812] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Doug Thompson Signed-off-by: Doug Thompson Signed-off-by: Borislav Petkov --- drivers/edac/amd64_edac.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 42 insertions(+), 0 deletions(-) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index ac4e265..49c0ce0 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3121,4 +3121,46 @@ static struct pci_dev *pci_get_related_function(unsigned int vendor, return dev; } +/* stolen from msr.c - the calls in msr.c could be exported */ +struct msr_command { + int cpu; + int err; + u32 reg; + u32 data[2]; +}; + +static void smp_wrmsr(void *cmd_block) +{ + struct msr_command *cmd = cmd_block; + wrmsr(cmd->reg, cmd->data[0], cmd->data[1]); +} + +static void smp_rdmsr(void *cmd_block) +{ + struct msr_command *cmd = cmd_block; + rdmsr(cmd->reg, cmd->data[0], cmd->data[1]); +} + +static void do_wrmsr(int cpu, u32 reg, u32 eax, u32 edx) +{ + struct msr_command cmd; + + cmd.cpu = raw_smp_processor_id(); + cmd.reg = reg; + cmd.data[0] = eax; + cmd.data[1] = edx; + on_each_cpu(smp_wrmsr, &cmd, 1); +} + +static void do_rdmsr(int cpu, u32 reg, u32 *eax, u32 *edx) +{ + struct msr_command cmd; + + cmd.cpu = raw_smp_processor_id(); + cmd.reg = reg; + on_each_cpu(smp_rdmsr, &cmd, 1); + *eax = cmd.data[0]; + *edx = cmd.data[1]; +} + -- 1.6.2.4