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authorChristophe Leroy <christophe.leroy@c-s.fr>2019-02-21 22:08:48 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2019-02-23 13:04:32 +0300
commit5e04ae85fbed8eef209a40a63f8ef507fe623064 (patch)
treeb1a608bb1f8199d8f4e6be6e5d2c60562f363806 /arch/powerpc/include
parent166d97d961588d2e52037e96da18d2ead455cec1 (diff)
downloadlinux-5e04ae85fbed8eef209a40a63f8ef507fe623064.tar.xz
powerpc/mm/32s: add setibat() clearibat() and update_bats()
setibat() and clearibat() allows to manipulate IBATs independently of DBATs. update_bats() allows to update bats after init. This is done with MMU off. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/book3s/32/mmu-hash.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/mmu-hash.h b/arch/powerpc/include/asm/book3s/32/mmu-hash.h
index 0c261ba2c826..5cb588395fdc 100644
--- a/arch/powerpc/include/asm/book3s/32/mmu-hash.h
+++ b/arch/powerpc/include/asm/book3s/32/mmu-hash.h
@@ -92,6 +92,8 @@ typedef struct {
unsigned long vdso_base;
} mm_context_t;
+void update_bats(void);
+
/* patch sites */
extern s32 patch__hash_page_A0, patch__hash_page_A1, patch__hash_page_A2;
extern s32 patch__hash_page_B, patch__hash_page_C;