[PATCH 1/3] powerpc/fsl_booke: replace PAGE_OFFSET with KERNELBASE
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From: Jason Yan <yanaijie@huawei.com>
Date: 2019-07-05 06:46:24
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
We setup a mapping in PAGE_OFFSET and jump to KERNELBASE. This is not a problem when PAGE_OFFSET = KERNELBASE. Replace PAGE_OFFSET with KERNELBASE here to make it consistent. Signed-off-by: Jason Yan <yanaijie@huawei.com> --- arch/powerpc/kernel/fsl_booke_entry_mapping.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/fsl_booke_entry_mapping.S b/arch/powerpc/kernel/fsl_booke_entry_mapping.S
index ea065282b303..235ae622e2ab 100644
--- a/arch/powerpc/kernel/fsl_booke_entry_mapping.S
+++ b/arch/powerpc/kernel/fsl_booke_entry_mapping.S@@ -171,8 +171,8 @@ skpinv: addi r6,r6,1 /* Increment */ lis r6,(MAS1_VALID|MAS1_IPROT)@h ori r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_64M))@l mtspr SPRN_MAS1,r6 - lis r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_NEEDED)@h - ori r6,r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_NEEDED)@l + lis r6,MAS2_VAL(KERNELBASE, BOOK3E_PAGESZ_64M, M_IF_NEEDED)@h + ori r6,r6,MAS2_VAL(KERNELBASE, BOOK3E_PAGESZ_64M, M_IF_NEEDED)@l mtspr SPRN_MAS2,r6 mtspr SPRN_MAS3,r8 tlbwe
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2.17.2