Messages in this thread Patch in this message | | | Subject | [patch] no need for kernel_flag on UP | From | Robert Love <> | Date | 07 Mar 2003 17:18:50 -0500 |
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Linus,
Attached patch is a minor cleanup (and memory reduction for gcc < 3). We currently define and declare the BKL's kernel_flag spinlock on either SMP or PREEMPT, which means a UP+PREEMPT machine gets it.
We only need the actual lock on SMP.
Patch is against current BK, please apply.
Robert Love
kernel/sched.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-)
diff -urN linux-2.5.64-bk/kernel/sched.c linux/kernel/sched.c --- linux-2.5.64-bk/kernel/sched.c 2003-03-07 17:01:34.727552472 -0500 +++ linux/kernel/sched.c 2003-03-07 17:14:54.684940464 -0500 @@ -2405,7 +2405,7 @@ #endif -#if CONFIG_SMP || CONFIG_PREEMPT +#if CONFIG_SMP /* * The 'big kernel lock' *
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