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181bde801a
Fix up the switching between virtual and real timers. The idle loop sleeps, so the timer at that point must be real time. At all other times, the timer must be virtual. Even when userspace is running, and the kernel is asleep, the virtual timer is correct because the process timer will be running and the process timer will be firing. The timer switch used to be in the context switch and timer handler code. This is moved to the idle loop and the signal handler, making it much more clear why it is happening. switch_timers now returns the old timer type so that it may be restored. The signal handler uses this in order to restore the previous timer type when it returns. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| drivers | ||
| include | ||
| kernel | ||
| os-Linux | ||
| scripts | ||
| sys-i386 | ||
| sys-ia64 | ||
| sys-ppc | ||
| sys-x86_64 | ||
| defconfig | ||
| Kconfig | ||
| Kconfig.char | ||
| Kconfig.debug | ||
| Kconfig.i386 | ||
| Kconfig.net | ||
| Kconfig.x86_64 | ||
| Makefile | ||
| Makefile-i386 | ||
| Makefile-ia64 | ||
| Makefile-os-Linux | ||
| Makefile-ppc | ||
| Makefile-skas | ||
| Makefile-tt | ||
| Makefile-x86_64 | ||