[2.6.20.17 review 09/58] Sparc64 bootup assembler bug

Willy Tarreau
2007-08-22T08:54:20Z

[-- Attachment #1: 0009-Sparc64-bootup-assembler-bug.patch --]
[-- Type: text/plain, Size: 855 bytes --]

[SPARC64]: Fix two year old bug in early bootup asm.

We try to fetch the CIF entry pointer from %o4, but that
can get clobbered by the early OBP calls. It is saved
in %l7 already, so actually this "mov %o4, %l7" can just
be completely removed with no other changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---
arch/sparc64/kernel/head.S | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 06459ae..0e19369 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -458,7 +458,6 @@ tlb_fixup_done:
or %g6, %lo(init_thread_union), %g6
ldx [%g6 + TI_TASK], %g4
mov %sp, %l6
- mov %o4, %l7

wr %g0, ASI_P, %asi
mov 1, %g1
--
1.5.2.5

--