diff options
| author | Anton Blanchard <anton@samba.org> | 2011-11-14 12:54:47 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-11-16 14:47:54 +1100 |
| commit | d715e433b7ad19c02fc4becf0d5e9a59f97925de (patch) | |
| tree | 6c5ba4c3b21c4070b82a184f5eca26c9e6c8edf1 /arch/powerpc/kernel | |
| parent | 6d1e2c6c1a0b800473db4df8595c95745be548ea (diff) | |
| download | linux-d715e433b7ad19c02fc4becf0d5e9a59f97925de.tar.bz2 | |
powerpc: Copy down exception vectors after feature fixups
kdump fails because we try to execute an HV only instruction. Feature
fixups are being applied after we copy the exception vectors down to 0
so they miss out on any updates.
We have always had this issue but it only became critical in v3.0
when we added CFAR support (breaks POWER5) and v3.1 when we added
POWERNV (breaks everyone).
Signed-off-by: Anton Blanchard <anton@samba.org>
Cc: <stable@kernel.org> [v3.0+]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/kvm.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_32.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 1 |
3 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 35f27646c4ff..2985338d0e10 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr) /* On relocatable kernels interrupts handlers and our code can be in different regions, so we don't patch them */ - extern u32 __end_interrupts; if ((ulong)inst < (ulong)&__end_interrupts) return; #endif diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index c1ce86357ecb..ac7610815113 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr) PTRRELOC(&__start___lwsync_fixup), PTRRELOC(&__stop___lwsync_fixup)); + do_final_fixups(); + return KERNELBASE + offset; } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 1a9dea80a69b..fb9bb46e7e88 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -359,6 +359,7 @@ void __init setup_system(void) &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); do_lwsync_fixups(cur_cpu_spec->cpu_features, &__start___lwsync_fixup, &__stop___lwsync_fixup); + do_final_fixups(); /* * Unflatten the device-tree passed by prom_init or kexec |