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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-15 12:32:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-15 12:32:52 -0400
commit0fa213310cd8fa7a51071cdcf130e26fa56e9549 (patch)
tree2a7e5cc33c8938ec82604a99c3797a3132fd91ec /arch/powerpc/include/asm/paca.h
parentd3bf80bff13597004b5724ee4549cd68eb0badf0 (diff)
parentbc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (103 commits) powerpc: Fix bug in move of altivec code to vector.S powerpc: Add support for swiotlb on 32-bit powerpc/spufs: Remove unused error path powerpc: Fix warning when printing a resource_size_t powerpc/xmon: Remove unused variable in xmon.c powerpc/pseries: Fix warnings when printing resource_size_t powerpc: Shield code specific to 64-bit server processors powerpc: Separate PACA fields for server CPUs powerpc: Split exception handling out of head_64.S powerpc: Introduce CONFIG_PPC_BOOK3S powerpc: Move VMX and VSX asm code to vector.S powerpc: Set init_bootmem_done on NUMA platforms as well powerpc/mm: Fix a AB->BA deadlock scenario with nohash MMU context lock powerpc/mm: Fix some SMP issues with MMU context handling powerpc: Add PTRACE_SINGLEBLOCK support fbdev: Add PLB support and cleanup DCR in xilinxfb driver. powerpc/virtex: Add ml510 reference design device tree powerpc/virtex: Add Xilinx ML510 reference design support powerpc/virtex: refactor intc driver and add support for i8259 cascading powerpc/virtex: Add support for Xilinx PCI host bridge ...
Diffstat (limited to 'arch/powerpc/include/asm/paca.h')
-rw-r--r--arch/powerpc/include/asm/paca.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 6ef055723019..c8a3cbfe02ff 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -43,6 +43,7 @@ struct task_struct;
43 * processor. 43 * processor.
44 */ 44 */
45struct paca_struct { 45struct paca_struct {
46#ifdef CONFIG_PPC_BOOK3S
46 /* 47 /*
47 * Because hw_cpu_id, unlike other paca fields, is accessed 48 * Because hw_cpu_id, unlike other paca fields, is accessed
48 * routinely from other CPUs (from the IRQ code), we stick to 49 * routinely from other CPUs (from the IRQ code), we stick to
@@ -51,7 +52,7 @@ struct paca_struct {
51 */ 52 */
52 53
53 struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */ 54 struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */
54 55#endif /* CONFIG_PPC_BOOK3S */
55 /* 56 /*
56 * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c 57 * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c
57 * load lock_token and paca_index with a single lwz 58 * load lock_token and paca_index with a single lwz
@@ -64,13 +65,16 @@ struct paca_struct {
64 u64 kernel_toc; /* Kernel TOC address */ 65 u64 kernel_toc; /* Kernel TOC address */
65 u64 kernelbase; /* Base address of kernel */ 66 u64 kernelbase; /* Base address of kernel */
66 u64 kernel_msr; /* MSR while running in kernel */ 67 u64 kernel_msr; /* MSR while running in kernel */
68#ifdef CONFIG_PPC_STD_MMU_64
67 u64 stab_real; /* Absolute address of segment table */ 69 u64 stab_real; /* Absolute address of segment table */
68 u64 stab_addr; /* Virtual address of segment table */ 70 u64 stab_addr; /* Virtual address of segment table */
71#endif /* CONFIG_PPC_STD_MMU_64 */
69 void *emergency_sp; /* pointer to emergency stack */ 72 void *emergency_sp; /* pointer to emergency stack */
70 u64 data_offset; /* per cpu data offset */ 73 u64 data_offset; /* per cpu data offset */
71 s16 hw_cpu_id; /* Physical processor number */ 74 s16 hw_cpu_id; /* Physical processor number */
72 u8 cpu_start; /* At startup, processor spins until */ 75 u8 cpu_start; /* At startup, processor spins until */
73 /* this becomes non-zero. */ 76 /* this becomes non-zero. */
77#ifdef CONFIG_PPC_STD_MMU_64
74 struct slb_shadow *slb_shadow_ptr; 78 struct slb_shadow *slb_shadow_ptr;
75 79
76 /* 80 /*
@@ -81,11 +85,13 @@ struct paca_struct {
81 u64 exmc[10]; /* used for machine checks */ 85 u64 exmc[10]; /* used for machine checks */
82 u64 exslb[10]; /* used for SLB/segment table misses 86 u64 exslb[10]; /* used for SLB/segment table misses
83 * on the linear mapping */ 87 * on the linear mapping */
84 88 /* SLB related definitions */
85 mm_context_t context;
86 u16 vmalloc_sllp; 89 u16 vmalloc_sllp;
87 u16 slb_cache_ptr; 90 u16 slb_cache_ptr;
88 u16 slb_cache[SLB_CACHE_ENTRIES]; 91 u16 slb_cache[SLB_CACHE_ENTRIES];
92#endif /* CONFIG_PPC_STD_MMU_64 */
93
94 mm_context_t context;
89 95
90 /* 96 /*
91 * then miscellaneous read-write fields 97 * then miscellaneous read-write fields