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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-08-19 14:22:35 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-09-23 07:54:05 +1000 |
| commit | fc48bad53142c991a5280940fd7ee8d226697b2c (patch) | |
| tree | 6f01ec4311c0ab25c70f78e751f9d91a7cca16a0 /arch/powerpc/kernel/misc_64.S | |
| parent | ef24ba7091517d2bbf9ba2cb4256c0dccd51d248 (diff) | |
| download | linux-fc48bad53142c991a5280940fd7ee8d226697b2c.tar.gz linux-fc48bad53142c991a5280940fd7ee8d226697b2c.tar.bz2 linux-fc48bad53142c991a5280940fd7ee8d226697b2c.zip | |
powerpc/64/kexec: NULL check "clear_all" in kexec_sequence
With Radix, it can be NULL even on !BOOKE these days so replace
the ifdef with a NULL check which is cleaner anyway.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/misc_64.S')
| -rw-r--r-- | arch/powerpc/kernel/misc_64.S | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 5d7e583f1588..939e3f50a345 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -660,7 +660,9 @@ _GLOBAL(kexec_sequence) li r6,1 stw r6,kexec_flag-1b(5) -#ifndef CONFIG_PPC_BOOK3E + cmpdi r27,0 + beq 1f + /* clear out hardware hash page table and tlb */ #ifdef PPC64_ELF_ABI_v1 ld r12,0(r27) /* deref function descriptor */ @@ -669,7 +671,6 @@ _GLOBAL(kexec_sequence) #endif mtctr r12 bctrl /* mmu_hash_ops.hpte_clear_all(void); */ -#endif /* !CONFIG_PPC_BOOK3E */ /* * kexec image calling is: @@ -696,7 +697,7 @@ _GLOBAL(kexec_sequence) * are the boot cpu ????? * other device tree differences (prop sizes, va vs pa, etc)... */ - mr r3,r25 # my phys cpu +1: mr r3,r25 # my phys cpu mr r4,r30 # start, aka phys mem offset mtlr 4 li r5,0 |