Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-14 07:02:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use an irq_enable_hazard hazard barrier in unmask_mips_irq. This

Browse Source 
hasn't been an actual bug, so it's more a change to be 100% compliant
with the requirements of the architecture spec.  Similar fix to
mask_mips_irq where there was a slightly less theoretical chance of
getting hit.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-07-13 18:20:33 +00:00
parent 97fb5de194
commit 569f75bd02
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/mips/kernel/irq_cpu.c
View File

@ -40,11 +40,13 @@ static int mips_cpu_irq_base;
static inline void unmask_mips_irq(unsigned int irq)
{
set_c0_status(0x100 << (irq - mips_cpu_irq_base));
irq_enable_hazard();
}
static inline void mask_mips_irq(unsigned int irq)
{
clear_c0_status(0x100 << (irq - mips_cpu_irq_base));
irq_disable_hazard();
}
static inline void mips_cpu_irq_enable(unsigned int irq)