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powerpc/mm: Use 32bit array for slb cache
With larger vsid we need to track more bits of ESID in slb cache for slb invalidate. Reviewed-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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2 changed files with 5 additions and 5 deletions
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@ -100,7 +100,7 @@ struct paca_struct {
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/* SLB related definitions */
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u16 vmalloc_sllp;
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u16 slb_cache_ptr;
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u16 slb_cache[SLB_CACHE_ENTRIES];
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u32 slb_cache[SLB_CACHE_ENTRIES];
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#endif /* CONFIG_PPC_STD_MMU_64 */
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#ifdef CONFIG_PPC_BOOK3E
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@ -270,10 +270,10 @@ _GLOBAL(slb_compare_rr_to_size)
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bge 1f
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/* still room in the slb cache */
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sldi r11,r3,1 /* r11 = offset * sizeof(u16) */
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rldicl r10,r10,36,28 /* get low 16 bits of the ESID */
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add r11,r11,r13 /* r11 = (u16 *)paca + offset */
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sth r10,PACASLBCACHE(r11) /* paca->slb_cache[offset] = esid */
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sldi r11,r3,2 /* r11 = offset * sizeof(u32) */
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srdi r10,r10,28 /* get the 36 bits of the ESID */
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add r11,r11,r13 /* r11 = (u32 *)paca + offset */
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stw r10,PACASLBCACHE(r11) /* paca->slb_cache[offset] = esid */
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addi r3,r3,1 /* offset++ */
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b 2f
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1: /* offset >= SLB_CACHE_ENTRIES */
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