From 944834901adc94b3a44d1dd153eb739a937e52d2 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Fri, 13 Jan 2023 18:32:57 +0100 Subject: Documentation: Drop or replace remaining mentions of IA64 Drop or update mentions of IA64, as appropriate. Signed-off-by: Ard Biesheuvel --- Documentation/scheduler/sched-arch.rst | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'Documentation/scheduler') diff --git a/Documentation/scheduler/sched-arch.rst b/Documentation/scheduler/sched-arch.rst index 505cd27f9a92..ed07efea7d02 100644 --- a/Documentation/scheduler/sched-arch.rst +++ b/Documentation/scheduler/sched-arch.rst @@ -10,7 +10,7 @@ Context switch By default, the switch_to arch function is called with the runqueue locked. This is usually not a problem unless switch_to may need to take the runqueue lock. This is usually due to a wake up operation in -the context switch. See arch/ia64/include/asm/switch_to.h for an example. +the context switch. To request the scheduler call switch_to with the runqueue unlocked, you must `#define __ARCH_WANT_UNLOCKED_CTXSW` in a header file @@ -68,7 +68,5 @@ Possible arch/ problems Possible arch problems I found (and either tried to fix or didn't): -ia64 - is safe_halt call racy vs interrupts? (does it sleep?) (See #4a) - sparc - IRQs on at this point(?), change local_irq_save to _disable. - TODO: needs secondary CPUs to disable preempt (See #1) -- cgit v1.2.3