AcoSail/kernel_optimize_test
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

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Pull s390 fixes from Martin Schwidefsky:
 "Two bug fixes:

   - A fix for cputime accounting vs CPU hotplug

   - Add two options to zfcpdump_defconfig to make SCSI dump work again"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: fix zfcpdump-config
  s390/cputime: fix guest/irq/softirq times after CPU hotplug
This commit is contained in:
Linus Torvalds 2017-10-18 06:45:52 -04:00
commit 96b0e525af
2 changed files with 5 additions and 0 deletions
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2
arch/s390/configs/zfcpdump_defconfig
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@ -27,6 +27,7 @@ CONFIG_NET=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_BLK_DEV_RAM=y
# CONFIG_BLK_DEV_XPRAM is not set
# CONFIG_DCSSBLK is not set
# CONFIG_DASD is not set
@ -59,6 +60,7 @@ CONFIG_CONFIGFS_FS=y
# CONFIG_NETWORK_FILESYSTEMS is not set
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_KERNEL=y
CONFIG_PANIC_ON_OOPS=y
# CONFIG_SCHED_DEBUG is not set

3
arch/s390/kernel/smp.c
View File

@ -293,7 +293,10 @@ static void pcpu_attach_task(struct pcpu *pcpu, struct task_struct *tsk)
lc->lpp = LPP_MAGIC;
lc->current_pid = tsk->pid;
lc->user_timer = tsk->thread.user_timer;
lc->guest_timer = tsk->thread.guest_timer;
lc->system_timer = tsk->thread.system_timer;
lc->hardirq_timer = tsk->thread.hardirq_timer;
lc->softirq_timer = tsk->thread.softirq_timer;
lc->steal_timer = 0;
}