* [PATCH 1/2] [POWERPC] Fix bogus paca->_current initialization
@ 2008-05-07 0:00 Benjamin Herrenschmidt
0 siblings, 0 replies; only message in thread
From: Benjamin Herrenschmidt @ 2008-05-07 0:00 UTC (permalink / raw)
To: Paul Mackerras; +Cc: linuxppc-dev
When doing lockdep, I had two patches to initialize paca->_current
early. One bogus, and one correct. Unfortunately both got merged
as the bad one ended up being part of the main lockdep patch by
mistake. This causes memory corruption at boot. This patch removes
the offending code.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
arch/powerpc/kernel/head_64.S | 4 ----
1 file changed, 4 deletions(-)
--- linux-work.orig/arch/powerpc/kernel/head_64.S 2008-05-07 09:54:17.000000000 +1000
+++ linux-work/arch/powerpc/kernel/head_64.S 2008-05-07 09:54:23.000000000 +1000
@@ -1517,10 +1517,6 @@ _INIT_STATIC(start_here_multiplatform)
addi r2,r2,0x4000
add r2,r2,r26
- /* Set initial ptr to current */
- LOAD_REG_IMMEDIATE(r4, init_task)
- std r4,PACACURRENT(r13)
-
/* Do very early kernel initializations, including initial hash table,
* stab and slb setup before we turn on relocation. */
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