hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

avr32: nmi_enter() without nmi_exit() 

While updating the rcu code, I noticed that do_nmi() for AVR32 is odd:
There is an nmi_enter() call without an nmi_exit().
This can't be correct, it breaks rcu (at least the preempt version) and
lockdep.

[haavard.skinnemoen@atmel.com: fixed another case that returned directly]
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
This commit is contained in:
Manfred Spraul 2008-08-20 15:39:59 +02:00 committed by Haavard Skinnemoen
parent 73d4393d1d
commit 3d431a7427
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/avr32/kernel/traps.c
View File

@ -116,15 +116,15 @@ asmlinkage void do_nmi(unsigned long ecr, struct pt_regs *regs)
switch (ret) {
case NOTIFY_OK:
case NOTIFY_STOP:
return;
break;
case NOTIFY_BAD:
die("Fatal Non-Maskable Interrupt", regs, SIGINT);
default:
printk(KERN_ALERT "Got NMI, but nobody cared. Disabling...\n");
nmi_disable();
break;
}
printk(KERN_ALERT "Got NMI, but nobody cared. Disabling...\n");
nmi_disable();
nmi_exit();
}
asmlinkage void do_critical_exception(unsigned long ecr, struct pt_regs *regs)