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| author | Natanael Copa <ncopa@alpinelinux.org> | 2012-09-12 11:27:18 +0000 |
|---|---|---|
| committer | Natanael Copa <ncopa@alpinelinux.org> | 2012-09-12 11:46:28 +0000 |
| commit | 912b72a0b6583ff84ac47f8d255b7adcf9060612 (patch) | |
| tree | 8de4262ddf4343174b4dee83f67d9a977fc2dfff | |
| parent | d0a0d672d71b425fa0bb61ed49d17dbc8aa95f2e (diff) | |
| download | aports-912b72a0b6583ff84ac47f8d255b7adcf9060612.tar.bz2 aports-912b72a0b6583ff84ac47f8d255b7adcf9060612.tar.xz | |
main/linux-grsec: add intel_idle patch from upstream
Fixes issue with Xen dom0
http://lists.xen.org/archives/html/xen-devel/2012-07/msg01838.html
| -rw-r--r-- | main/linux-grsec/APKBUILD | 4 | ||||
| -rw-r--r-- | main/linux-grsec/intel_idle.patch | 34 |
2 files changed, 37 insertions, 1 deletions
diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD index 1fbb556500..90db5161d4 100644 --- a/main/linux-grsec/APKBUILD +++ b/main/linux-grsec/APKBUILD @@ -4,7 +4,7 @@ _flavor=grsec pkgname=linux-${_flavor} pkgver=3.4.10 _kernver=3.4 -pkgrel=0 +pkgrel=1 pkgdesc="Linux kernel with grsecurity" url=http://grsecurity.net depends="mkinitfs linux-firmware" @@ -18,6 +18,7 @@ source="http://ftp.kernel.org/pub/linux/kernel/v3.x/linux-$_kernver.tar.xz 0004-arp-flush-arp-cache-on-device-change.patch 0001-Revert-ipv4-Don-t-use-the-cached-pmtu-informations-f.patch + intel_idle.patch kernelconfig.x86 kernelconfig.x86_64 @@ -144,5 +145,6 @@ md5sums="967f72983655e2479f951195953e8480 linux-3.4.tar.xz e495e6b5cad4fbd55ba394c7bd351be7 grsecurity-2.9.1-3.4.10-1.patch 776adeeb5272093574f8836c5037dd7d 0004-arp-flush-arp-cache-on-device-change.patch cb6fcd6e966e73c87a839c4c0183f81f 0001-Revert-ipv4-Don-t-use-the-cached-pmtu-informations-f.patch +d2f7ba780ff7567c21381428264d7fdd intel_idle.patch 50a13359236dbd676fa355f0b4fd27ff kernelconfig.x86 c402f52babc729d1280c1677075aa0d7 kernelconfig.x86_64" diff --git a/main/linux-grsec/intel_idle.patch b/main/linux-grsec/intel_idle.patch new file mode 100644 index 0000000000..4cc4dd6800 --- /dev/null +++ b/main/linux-grsec/intel_idle.patch @@ -0,0 +1,34 @@ +From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +Date: Thu, 16 Aug 2012 20:06:55 +0000 (+0200) +Subject: intel_idle: Check cpu_idle_get_driver() for NULL before dereferencing it. +X-Git-Tag: v3.6-rc3~33^2 +X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.git;a=commitdiff_plain;h=3735d524da64b70b41c764359da36f88aded3610 + +intel_idle: Check cpu_idle_get_driver() for NULL before dereferencing it. + +If the machine is booted without any cpu_idle driver set +(b/c disable_cpuidle() has been called) we should follow +other users of cpu_idle API and check the return value +for NULL before using it. + +Reported-and-tested-by: Mark van Dijk <mark@internecto.net> +Suggested-by: Jan Beulich <JBeulich@suse.com> +Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> +--- + +diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c +index f559088..e872617 100644 +--- a/drivers/idle/intel_idle.c ++++ b/drivers/idle/intel_idle.c +@@ -606,8 +606,9 @@ static int __init intel_idle_init(void) + intel_idle_cpuidle_driver_init(); + retval = cpuidle_register_driver(&intel_idle_driver); + if (retval) { ++ struct cpuidle_driver *drv = cpuidle_get_driver(); + printk(KERN_DEBUG PREFIX "intel_idle yielding to %s", +- cpuidle_get_driver()->name); ++ drv ? drv->name : "none"); + return retval; + } + |