Commit-ID: fad48ad63dd14656e3b571d42f700a1f2cadd036 Gitweb: http://git.kernel.org/tip/fad48ad63dd14656e3b571d42f700a1f2cadd036 Author: Thomas Gleixner <t...@linutronix.de> AuthorDate: Thu, 21 Mar 2013 22:49:55 +0100 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Mon, 8 Apr 2013 17:39:27 +0200
parisc: Use generic idle loop Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Rusty Russell <ru...@rustcorp.com.au> Cc: Paul McKenney <paul...@linux.vnet.ibm.com> Cc: Peter Zijlstra <pet...@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.b...@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.d...@gmail.com> Cc: James E.J. Bottomley <j...@parisc-linux.org> Cc: Helge Deller <del...@gmx.de> Link: http://lkml.kernel.org/r/20130321215234.956305...@linutronix.de Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- arch/parisc/Kconfig | 1 + arch/parisc/kernel/process.c | 22 ---------------------- arch/parisc/kernel/smp.c | 2 +- 3 files changed, 2 insertions(+), 23 deletions(-) diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 0339181..0821e70 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -18,6 +18,7 @@ config PARISC select GENERIC_PCI_IOMAP select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_LOOP select GENERIC_STRNCPY_FROM_USER select SYSCTL_ARCH_UNALIGN_ALLOW select HAVE_MOD_ARCH_SPECIFIC diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index d135072..55f92b6 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -59,28 +59,6 @@ #include <asm/unwind.h> #include <asm/sections.h> -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void cpu_idle(void) -{ - set_thread_flag(TIF_POLLING_NRFLAG); - - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - barrier(); - rcu_idle_exit(); - schedule_preempt_disabled(); - check_pgt_cache(); - } -} - - #define COMMAND_GLOBAL F_EXTEND(0xfffe0030) #define CMD_RESET 5 /* reset any module */ diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 6266730..fd1bb15 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -329,7 +329,7 @@ void __init smp_callin(void) local_irq_enable(); /* Interrupts have been off until now */ - cpu_idle(); /* Wait for timer to schedule some work */ + cpu_startup_entry(CPUHP_ONLINE); /* NOTREACHED */ panic("smp_callin() AAAAaaaaahhhh....\n"); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
