lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 11 May 2017 15:02:40 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, GSR <gsr.bugs@...ernal-iceberg.com>, Ben Hutchings <ben@...adent.org.uk>, "Rafael J. Wysocki" <rafael.j.wysocki@...el.com> Subject: [PATCH 3.18 05/39] cpupower: Fix turbo frequency reporting for pre-Sandy Bridge cores 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ben Hutchings <ben@...adent.org.uk> commit 4cca0457686e4ee1677d69469e4ddfd94d389a80 upstream. The switch that conditionally sets CPUPOWER_CAP_HAS_TURBO_RATIO and CPUPOWER_CAP_IS_SNB flags is missing a break, so all cores get both flags set and an assumed base clock of 100 MHz for turbo values. Reported-by: GSR <gsr.bugs@...ernal-iceberg.com> Tested-by: GSR <gsr.bugs@...ernal-iceberg.com> References: https://bugs.debian.org/859978 Fixes: 8fb2e440b223 (cpupower: Show Intel turbo ratio support via ...) Signed-off-by: Ben Hutchings <ben@...adent.org.uk> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- tools/power/cpupower/utils/helpers/cpuid.c | 1 + 1 file changed, 1 insertion(+) --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -156,6 +156,7 @@ out: */ case 0x2C: /* Westmere EP - Gulftown */ cpu_info->caps |= CPUPOWER_CAP_HAS_TURBO_RATIO; + break; case 0x2A: /* SNB */ case 0x2D: /* SNB Xeon */ case 0x3A: /* IVB */
Powered by blists - more mailing lists