diff options
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/dtlb_prot.S | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/irq_32.c | 4 | ||||
| -rw-r--r-- | arch/sparc/kernel/irq_64.c | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/ktlb.S | 12 | ||||
| -rw-r--r-- | arch/sparc/kernel/tsb.S | 12 |
5 files changed, 27 insertions, 7 deletions
diff --git a/arch/sparc/kernel/dtlb_prot.S b/arch/sparc/kernel/dtlb_prot.S index d668ca149e64..4087a62f96b0 100644 --- a/arch/sparc/kernel/dtlb_prot.S +++ b/arch/sparc/kernel/dtlb_prot.S @@ -25,13 +25,13 @@ /* PROT ** ICACHE line 2: More real fault processing */ ldxa [%g4] ASI_DMMU, %g5 ! Put tagaccess in %g5 + srlx %g5, PAGE_SHIFT, %g5 + sllx %g5, PAGE_SHIFT, %g5 ! Clear context ID bits bgu,pn %xcc, winfix_trampoline ! Yes, perform winfixup mov FAULT_CODE_DTLB | FAULT_CODE_WRITE, %g4 ba,pt %xcc, sparc64_realfault_common ! Nope, normal fault nop nop - nop - nop /* PROT ** ICACHE line 3: Unused... */ nop diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index a979e99f8751..cac4a5554c0e 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -165,7 +165,7 @@ void irq_link(unsigned int irq) p = &irq_table[irq]; pil = p->pil; - BUG_ON(pil > SUN4D_MAX_IRQ); + BUG_ON(pil >= SUN4D_MAX_IRQ); p->next = irq_map[pil]; irq_map[pil] = p; @@ -182,7 +182,7 @@ void irq_unlink(unsigned int irq) spin_lock_irqsave(&irq_map_lock, flags); p = &irq_table[irq]; - BUG_ON(p->pil > SUN4D_MAX_IRQ); + BUG_ON(p->pil >= SUN4D_MAX_IRQ); pnext = &irq_map[p->pil]; while (*pnext != p) pnext = &(*pnext)->next; diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index e22416ce56ea..34a7930b76ef 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -242,7 +242,7 @@ unsigned int irq_alloc(unsigned int dev_handle, unsigned int dev_ino) { int irq; - irq = __irq_alloc_descs(-1, 1, 1, numa_node_id(), NULL); + irq = __irq_alloc_descs(-1, 1, 1, numa_node_id(), NULL, NULL); if (irq <= 0) goto out; diff --git a/arch/sparc/kernel/ktlb.S b/arch/sparc/kernel/ktlb.S index ef0d8e9e1210..f22bec0db645 100644 --- a/arch/sparc/kernel/ktlb.S +++ b/arch/sparc/kernel/ktlb.S @@ -20,6 +20,10 @@ kvmap_itlb: mov TLB_TAG_ACCESS, %g4 ldxa [%g4] ASI_IMMU, %g4 + /* The kernel executes in context zero, therefore we do not + * need to clear the context ID bits out of %g4 here. + */ + /* sun4v_itlb_miss branches here with the missing virtual * address already loaded into %g4 */ @@ -128,6 +132,10 @@ kvmap_dtlb: mov TLB_TAG_ACCESS, %g4 ldxa [%g4] ASI_DMMU, %g4 + /* The kernel executes in context zero, therefore we do not + * need to clear the context ID bits out of %g4 here. + */ + /* sun4v_dtlb_miss branches here with the missing virtual * address already loaded into %g4 */ @@ -251,6 +259,10 @@ kvmap_dtlb_longpath: nop .previous + /* The kernel executes in context zero, therefore we do not + * need to clear the context ID bits out of %g5 here. + */ + be,pt %xcc, sparc64_realfault_common mov FAULT_CODE_DTLB, %g4 ba,pt %xcc, winfix_trampoline diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S index be98685c14c6..d568c8207af7 100644 --- a/arch/sparc/kernel/tsb.S +++ b/arch/sparc/kernel/tsb.S @@ -29,13 +29,17 @@ */ tsb_miss_dtlb: mov TLB_TAG_ACCESS, %g4 + ldxa [%g4] ASI_DMMU, %g4 + srlx %g4, PAGE_SHIFT, %g4 ba,pt %xcc, tsb_miss_page_table_walk - ldxa [%g4] ASI_DMMU, %g4 + sllx %g4, PAGE_SHIFT, %g4 tsb_miss_itlb: mov TLB_TAG_ACCESS, %g4 + ldxa [%g4] ASI_IMMU, %g4 + srlx %g4, PAGE_SHIFT, %g4 ba,pt %xcc, tsb_miss_page_table_walk - ldxa [%g4] ASI_IMMU, %g4 + sllx %g4, PAGE_SHIFT, %g4 /* At this point we have: * %g1 -- PAGE_SIZE TSB entry address @@ -284,6 +288,10 @@ tsb_do_dtlb_fault: nop .previous + /* Clear context ID bits. */ + srlx %g5, PAGE_SHIFT, %g5 + sllx %g5, PAGE_SHIFT, %g5 + be,pt %xcc, sparc64_realfault_common mov FAULT_CODE_DTLB, %g4 ba,pt %xcc, winfix_trampoline |