From: "Aneesh Kumar K.V" <aneesh.ku...@linux.vnet.ibm.com>

With larger vsid we need to track more bits of ESID in slb cache
for slb invalidate.

Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
 arch/powerpc/include/asm/paca.h |    2 +-
 arch/powerpc/mm/slb_low.S       |    8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index daf813f..3e7abba 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -100,7 +100,7 @@ struct paca_struct {
        /* SLB related definitions */
        u16 vmalloc_sllp;
        u16 slb_cache_ptr;
-       u16 slb_cache[SLB_CACHE_ENTRIES];
+       u32 slb_cache[SLB_CACHE_ENTRIES];
 #endif /* CONFIG_PPC_STD_MMU_64 */
 
 #ifdef CONFIG_PPC_BOOK3E
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index c1fc81c..d522679 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -269,10 +269,10 @@ _GLOBAL(slb_compare_rr_to_size)
        bge     1f
 
        /* still room in the slb cache */
-       sldi    r11,r3,1                /* r11 = offset * sizeof(u16) */
-       rldicl  r10,r10,36,28           /* get low 16 bits of the ESID */
-       add     r11,r11,r13             /* r11 = (u16 *)paca + offset */
-       sth     r10,PACASLBCACHE(r11)   /* paca->slb_cache[offset] = esid */
+       sldi    r11,r3,2                /* r11 = offset * sizeof(u32) */
+       rldicl  r10,r10,36,28           /* get the 36 bits of the ESID */
+       add     r11,r11,r13             /* r11 = (u32 *)paca + offset */
+       stw     r10,PACASLBCACHE(r11)   /* paca->slb_cache[offset] = esid */
        addi    r3,r3,1                 /* offset++ */
        b       2f
 1:                                     /* offset >= SLB_CACHE_ENTRIES */
-- 
1.7.10

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