redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ARM: fix up nested irq regs usage 

This should fix up the per-cpu irq register pointer if we have nested
hardware interrupts.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Linus Torvalds 2006-10-06 13:11:15 -07:00
parent e317c8ccaa
commit e630015504
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/kernel/irq.c
View File

@ -111,6 +111,7 @@ static struct irq_desc bad_irq_desc = {
*/
asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
struct irqdesc *desc = irq_desc + irq;
/*
@ -122,13 +123,13 @@ asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
irq_enter();
set_irq_regs(regs);
desc_handle_irq(irq, desc);
/* AT91 specific workaround */
irq_finish(irq);
irq_exit();
set_irq_regs(old_regs);
}
void set_irq_flags(unsigned int irq, unsigned int iflags)