diff options
| author | Matt Evans <matt@ozlabs.org> | 2010-07-07 21:55:37 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-07-31 14:56:30 +1000 |
| commit | fc53b4202e61c7e9008c241933ae282aab8a6082 (patch) | |
| tree | c279a5256ba18a27ca0b785ecf6819f592a23509 /arch/powerpc/kernel/setup_64.c | |
| parent | 7e3f36c3e107bd76b6709e358b1e7c703fb6f81a (diff) | |
| download | linux-fc53b4202e61c7e9008c241933ae282aab8a6082.tar.bz2 | |
powerpc/kexec: Switch to a static PACA on the way out
With dynamic PACAs, the kexecing CPU's PACA won't lie within the kernel
static data and there is a chance that something may stomp it when preparing
to kexec. This patch switches this final CPU to a static PACA just before
we pull the switch.
Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index c352f322dbdd..96e662c1d46b 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -142,16 +142,6 @@ early_param("smt-enabled", early_smt_enabled); #define check_smt_enabled() #endif /* CONFIG_SMP */ -/* Put the paca pointer into r13 and SPRG_PACA */ -static void __init setup_paca(struct paca_struct *new_paca) -{ - local_paca = new_paca; - mtspr(SPRN_SPRG_PACA, local_paca); -#ifdef CONFIG_PPC_BOOK3E - mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb); -#endif -} - /* * Early initialization entry point. This is called by head.S * with MMU translation disabled. We rely on the "feature" of |