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| 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_64.S | |
| parent | b636f1379eefe6eba931deaa386605bc7ac623e7 (diff) | |
| download | blackbird-op-linux-f1ba9a5b2ab7d3f5a910d93371c4f22b636b7683.tar.gz blackbird-op-linux-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_64.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_64.S | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index a2b18dffa03e..e5144906a56d 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -28,7 +28,6 @@ .text -#ifdef CONFIG_IRQSTACKS _GLOBAL(call_do_softirq) mflr r0 std r0,16(r1) @@ -52,7 +51,6 @@ _GLOBAL(call_handle_irq) ld r0,16(r1) mtlr r0 blr -#endif /* CONFIG_IRQSTACKS */ .section ".toc","aw" PPC64_CACHES: |
