diff options
| author | Anton Blanchard <anton@samba.org> | 2011-02-23 12:46:16 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-03-02 14:56:48 +1100 |
| commit | 357574c48260c9177803a23b881d0af535670ec0 (patch) | |
| tree | a71b0703989dc006ed9f672ac8c426f0532aa807 | |
| parent | f342552b917a18a7a1fa2c10625df85fac828c36 (diff) | |
powerpc/kexec: Restore ppc_md.machine_kexec
Kyle Moffett points out that mpc85xx has started using the
ppc_md.machine_kexec hook. As such, revert patch c94868788cf2
(powerpc/kexec: Remove ppc_md.machine_kexec).
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/machdep.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/machine_kexec.c | 5 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 991d5998d6be..fe56a23e1ff0 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -240,6 +240,12 @@ struct machdep_calls { * claims to support kexec. */ int (*machine_kexec_prepare)(struct kimage *image); + + /* Called to perform the _real_ kexec. + * Do NOT allocate memory or fail here. We are past the point of + * no return. + */ + void (*machine_kexec)(struct kimage *image); #endif /* CONFIG_KEXEC */ #ifdef CONFIG_SUSPEND diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index 49a170af8145..a5f8672eeff3 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -87,7 +87,10 @@ void machine_kexec(struct kimage *image) save_ftrace_enabled = __ftrace_enabled_save(); - default_machine_kexec(image); + if (ppc_md.machine_kexec) + ppc_md.machine_kexec(image); + else + default_machine_kexec(image); __ftrace_enabled_restore(save_ftrace_enabled); |