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powerpc: Fix MAX_STACK_TRACE_ENTRIES too low warning for ppc32
authorLi Zhong <zhong@linux.vnet.ibm.com>
Sun, 2 Dec 2012 20:19:22 +0000 (20:19 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 28 Jan 2013 23:10:22 +0000 (10:10 +1100)
This patch fixes MAX_STACK_TRACE_ENTRIES too low warning for ppc32,
which is similar to commit 12660b17.

Reported-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Tested-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/entry_32.S patch | blob | blame | history

diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index d22e73e4618b7924879517f1f59cb99dcd63b43e..e514de57a125333a4ce174cb399070b6cc62e3b4 100644 (file)
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -439,6 +439,8 @@ ret_from_fork:
 ret_from_kernel_thread:
        REST_NVGPRS(r1)
        bl      schedule_tail
+       li      r3,0
+       stw     r3,0(r1)
        mtlr    r14
        mr      r3,r15
        PPC440EP_ERR42