From: Aneesh Kumar K.V Date: Wed, 13 Mar 2013 03:34:55 +0000 (+0000) Subject: powerpc: Rename USER_ESID_BITS* to ESID_BITS* X-Git-Tag: v3.9-rc4~35^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=af81d7878c641629f2693ae3fdaf74b4af14dfca;p=platform%2Fkernel%2Flinux-stable.git powerpc: Rename USER_ESID_BITS* to ESID_BITS* Now we use ESID_BITS of kernel address to build proto vsid. So rename USER_ESIT_BITS to ESID_BITS Acked-by: Paul Mackerras Signed-off-by: Aneesh Kumar K.V Signed-off-by: Benjamin Herrenschmidt CC: [v3.8] --- diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index a32461f..b59e06f 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -378,12 +378,12 @@ extern void slb_set_size(u16 size); */ #define CONTEXT_BITS 19 -#define USER_ESID_BITS 18 -#define USER_ESID_BITS_1T 6 +#define ESID_BITS 18 +#define ESID_BITS_1T 6 /* * 256MB segment - * The proto-VSID space has 2^(CONTEX_BITS + USER_ESID_BITS) - 1 segments + * The proto-VSID space has 2^(CONTEX_BITS + ESID_BITS) - 1 segments * available for user + kernel mapping. The top 4 contexts are used for * kernel mapping. Each segment contains 2^28 bytes. Each * context maps 2^46 bytes (64TB) so we can support 2^19-1 contexts @@ -396,15 +396,15 @@ extern void slb_set_size(u16 size); * doesn't overflow 64 bits. It should also be co-prime to vsid_modulus */ #define VSID_MULTIPLIER_256M ASM_CONST(12538073) /* 24-bit prime */ -#define VSID_BITS_256M (CONTEXT_BITS + USER_ESID_BITS) +#define VSID_BITS_256M (CONTEXT_BITS + ESID_BITS) #define VSID_MODULUS_256M ((1UL<> SID_SHIFT), 256M); - return vsid_scramble((context << USER_ESID_BITS_1T) + return vsid_scramble((context << ESID_BITS_1T) | (ea >> SID_SHIFT_1T), 1T); } diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index b112359..200afa5 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1472,7 +1472,7 @@ _GLOBAL(do_stab_bolted) addi r9,r9,(MAX_USER_CONTEXT + 1)@l srdi r10,r11,SID_SHIFT - rldimi r10,r9,USER_ESID_BITS,0 /* proto vsid */ + rldimi r10,r9,ESID_BITS,0 /* proto vsid */ ASM_VSID_SCRAMBLE(r10, r9, 256M) rldic r9,r10,12,16 /* r9 = vsid << 12 */ diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c index ead58e3..5d7d29a 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_host.c +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -326,8 +326,8 @@ int kvmppc_mmu_init(struct kvm_vcpu *vcpu) vcpu3s->context_id[0] = err; vcpu3s->proto_vsid_max = ((vcpu3s->context_id[0] + 1) - << USER_ESID_BITS) - 1; - vcpu3s->proto_vsid_first = vcpu3s->context_id[0] << USER_ESID_BITS; + << ESID_BITS) - 1; + vcpu3s->proto_vsid_first = vcpu3s->context_id[0] << ESID_BITS; vcpu3s->proto_vsid_next = vcpu3s->proto_vsid_first; kvmppc_mmu_hpte_init(vcpu); diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index e212a27..654258f 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -61,7 +61,7 @@ #endif #ifdef CONFIG_PPC_STD_MMU_64 -#if TASK_SIZE_USER64 > (1UL << (USER_ESID_BITS + SID_SHIFT)) +#if TASK_SIZE_USER64 > (1UL << (ESID_BITS + SID_SHIFT)) #error TASK_SIZE_USER64 exceeds user VSID range #endif #endif diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index 77aafaa..17aa6df 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -232,7 +232,7 @@ _GLOBAL(slb_allocate_user) * r3 = EA, r9 = context, r10 = ESID, r11 = flags, clobbers r9, cr7 = <> PAGE_OFFSET */ slb_finish_load: - rldimi r10,r9,USER_ESID_BITS,0 + rldimi r10,r9,ESID_BITS,0 ASM_VSID_SCRAMBLE(r10,r9,256M) /* * bits above VSID_BITS_256M need to be ignored from r10 @@ -301,7 +301,7 @@ _GLOBAL(slb_compare_rr_to_size) */ slb_finish_load_1T: srdi r10,r10,(SID_SHIFT_1T - SID_SHIFT) /* get 1T ESID */ - rldimi r10,r9,USER_ESID_BITS_1T,0 + rldimi r10,r9,ESID_BITS_1T,0 ASM_VSID_SCRAMBLE(r10,r9,1T) /* * bits above VSID_BITS_1T need to be ignored from r10