Commit-ID: bef033a3c68a0cd31c81973946be768e9dd7ba42 Gitweb: http://git.kernel.org/tip/bef033a3c68a0cd31c81973946be768e9dd7ba42 Author: Ingo Molnar <mingo@xxxxxxxxxx> AuthorDate: Tue, 4 Aug 2015 09:42:54 +0200 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Tue, 4 Aug 2015 09:48:12 +0200 sched, sparc32: Update scheduler comments in copy_thread() There's no finish_arch_switch() anymore in the latest scheduler tree. Also update some other details. Cc: David S. Miller <davem@xxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Mike Galbraith <efault@xxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: linux-kernel@xxxxxxxxxxxxxxx Cc: sparclinux@xxxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/sparc/kernel/process_32.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 50e7b62..c5113c7 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -333,11 +333,11 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, childregs = (struct pt_regs *) (new_stack + STACKFRAME_SZ); /* - * A new process must start with interrupts closed in 2.5, - * because this is how Mingo's scheduler works (see schedule_tail - * and finish_arch_switch). If we do not do it, a timer interrupt hits - * before we unlock, attempts to re-take the rq->lock, and then we die. - * Thus, kpsr|=PSR_PIL. + * A new process must start with interrupts disabled, see schedule_tail() + * and finish_task_switch(). (If we do not do it and if a timer interrupt + * hits before we unlock and attempts to take the rq->lock, we deadlock.) + * + * Thus, kpsr |= PSR_PIL. */ ti->ksp = (unsigned long) new_stack; p->thread.kregs = childregs; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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