Re: PI mutex support on ARM
From: Ingo Molnar <hidden>
Date: 2007-07-08 09:58:56
Also in:
lkml
* Remy Bohmer [off-list ref] wrote:
quoted hunk ↗ jump to hunk
--- linux-2.6.21.orig/include/asm/futex.h 2007-04-26 05:08:32.000000000 +0200
patch format problem: never diff the asm/ files, diff the asm-arm/ files.
+ local_irq_save(flags); + + err = get_user(uval, uaddr);
is it safe to do a get_user() with irqs off?
+ if (err)
+ {
+ local_irq_restore(flags);
+ return -EFAULT;
+ }(style problems. Use scripts/checkpatch.pl to verify your patches.)
+ local_irq_restore(flags);
is this method of atomic ops SMP-safe? Ingo