diff options
| author | Christoph Hellwig <hch@lst.de> | 2010-06-02 22:24:26 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-06-15 15:02:37 +1000 |
| commit | f1ba9a5b2ab7d3f5a910d93371c4f22b636b7683 (patch) | |
| tree | 027523e8302d0851acd8e472acff9c81030abc94 /arch/powerpc/kernel/misc_32.S | |
| parent | b636f1379eefe6eba931deaa386605bc7ac623e7 (diff) | |
| download | lwn-f1ba9a5b2ab7d3f5a910d93371c4f22b636b7683.tar.gz lwn-f1ba9a5b2ab7d3f5a910d93371c4f22b636b7683.zip | |
powerpc: Unconditionally enabled irq stacks
Irq stacks provide an essential protection from stack overflows through
external interrupts, at the cost of two additionals stacks per CPU.
Enable them unconditionally to simplify the kernel build and prevent
people from accidentally disabling them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/misc_32.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_32.S | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index dc66d52dcff5..6bbd7a604d24 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -33,7 +33,6 @@ .text -#ifdef CONFIG_IRQSTACKS _GLOBAL(call_do_softirq) mflr r0 stw r0,4(r1) @@ -56,7 +55,6 @@ _GLOBAL(call_handle_irq) lwz r0,4(r1) mtlr r0 blr -#endif /* CONFIG_IRQSTACKS */ /* * This returns the high 64 bits of the product of two 64-bit numbers. |