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sparc64: Validate linear D-TLB misses.
[pandora-kernel.git] / arch / sparc / kernel / traps_64.c
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index d809c4e..10f7bb9 100644 (file)
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -2509,6 +2509,7 @@ void do_getpsr(struct pt_regs *regs)
 }
 
 struct trap_per_cpu trap_block[NR_CPUS];
+EXPORT_SYMBOL(trap_block);
 
 /* This can get invoked before sched_init() so play it super safe
  * and use hard_smp_processor_id().
@@ -2530,84 +2531,97 @@ extern void tsb_config_offsets_are_bolixed_dave(void);
 void __init trap_init(void)
 {
        /* Compile time sanity check. */
-       if (TI_TASK != offsetof(struct thread_info, task) ||
-           TI_FLAGS != offsetof(struct thread_info, flags) ||
-           TI_CPU != offsetof(struct thread_info, cpu) ||
-           TI_FPSAVED != offsetof(struct thread_info, fpsaved) ||
-           TI_KSP != offsetof(struct thread_info, ksp) ||
-           TI_FAULT_ADDR != offsetof(struct thread_info, fault_address) ||
-           TI_KREGS != offsetof(struct thread_info, kregs) ||
-           TI_UTRAPS != offsetof(struct thread_info, utraps) ||
-           TI_EXEC_DOMAIN != offsetof(struct thread_info, exec_domain) ||
-           TI_REG_WINDOW != offsetof(struct thread_info, reg_window) ||
-           TI_RWIN_SPTRS != offsetof(struct thread_info, rwbuf_stkptrs) ||
-           TI_GSR != offsetof(struct thread_info, gsr) ||
-           TI_XFSR != offsetof(struct thread_info, xfsr) ||
-           TI_USER_CNTD0 != offsetof(struct thread_info, user_cntd0) ||
-           TI_USER_CNTD1 != offsetof(struct thread_info, user_cntd1) ||
-           TI_KERN_CNTD0 != offsetof(struct thread_info, kernel_cntd0) ||
-           TI_KERN_CNTD1 != offsetof(struct thread_info, kernel_cntd1) ||
-           TI_PCR != offsetof(struct thread_info, pcr_reg) ||
-           TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) ||
-           TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
-           TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) ||
-           TI_RESTART_BLOCK != offsetof(struct thread_info, restart_block) ||
-           TI_KUNA_REGS != offsetof(struct thread_info, kern_una_regs) ||
-           TI_KUNA_INSN != offsetof(struct thread_info, kern_una_insn) ||
-           TI_FPREGS != offsetof(struct thread_info, fpregs) ||
-           (TI_FPREGS & (64 - 1)))
-               thread_info_offsets_are_bolixed_dave();
-
-       if (TRAP_PER_CPU_THREAD != offsetof(struct trap_per_cpu, thread) ||
-           (TRAP_PER_CPU_PGD_PADDR !=
-            offsetof(struct trap_per_cpu, pgd_paddr)) ||
-           (TRAP_PER_CPU_CPU_MONDO_PA !=
-            offsetof(struct trap_per_cpu, cpu_mondo_pa)) ||
-           (TRAP_PER_CPU_DEV_MONDO_PA !=
-            offsetof(struct trap_per_cpu, dev_mondo_pa)) ||
-           (TRAP_PER_CPU_RESUM_MONDO_PA !=
-            offsetof(struct trap_per_cpu, resum_mondo_pa)) ||
-           (TRAP_PER_CPU_RESUM_KBUF_PA !=
-            offsetof(struct trap_per_cpu, resum_kernel_buf_pa)) ||
-           (TRAP_PER_CPU_NONRESUM_MONDO_PA !=
-            offsetof(struct trap_per_cpu, nonresum_mondo_pa)) ||
-           (TRAP_PER_CPU_NONRESUM_KBUF_PA !=
-            offsetof(struct trap_per_cpu, nonresum_kernel_buf_pa)) ||
-           (TRAP_PER_CPU_FAULT_INFO !=
-            offsetof(struct trap_per_cpu, fault_info)) ||
-           (TRAP_PER_CPU_CPU_MONDO_BLOCK_PA !=
-            offsetof(struct trap_per_cpu, cpu_mondo_block_pa)) ||
-           (TRAP_PER_CPU_CPU_LIST_PA !=
-            offsetof(struct trap_per_cpu, cpu_list_pa)) ||
-           (TRAP_PER_CPU_TSB_HUGE !=
-            offsetof(struct trap_per_cpu, tsb_huge)) ||
-           (TRAP_PER_CPU_TSB_HUGE_TEMP !=
-            offsetof(struct trap_per_cpu, tsb_huge_temp)) ||
-           (TRAP_PER_CPU_IRQ_WORKLIST_PA !=
-            offsetof(struct trap_per_cpu, irq_worklist_pa)) ||
-           (TRAP_PER_CPU_CPU_MONDO_QMASK !=
-            offsetof(struct trap_per_cpu, cpu_mondo_qmask)) ||
-           (TRAP_PER_CPU_DEV_MONDO_QMASK !=
-            offsetof(struct trap_per_cpu, dev_mondo_qmask)) ||
-           (TRAP_PER_CPU_RESUM_QMASK !=
-            offsetof(struct trap_per_cpu, resum_qmask)) ||
-           (TRAP_PER_CPU_NONRESUM_QMASK !=
-            offsetof(struct trap_per_cpu, nonresum_qmask)))
-               trap_per_cpu_offsets_are_bolixed_dave();
-
-       if ((TSB_CONFIG_TSB !=
-            offsetof(struct tsb_config, tsb)) ||
-           (TSB_CONFIG_RSS_LIMIT !=
-            offsetof(struct tsb_config, tsb_rss_limit)) ||
-           (TSB_CONFIG_NENTRIES !=
-            offsetof(struct tsb_config, tsb_nentries)) ||
-           (TSB_CONFIG_REG_VAL !=
-            offsetof(struct tsb_config, tsb_reg_val)) ||
-           (TSB_CONFIG_MAP_VADDR !=
-            offsetof(struct tsb_config, tsb_map_vaddr)) ||
-           (TSB_CONFIG_MAP_PTE !=
-            offsetof(struct tsb_config, tsb_map_pte)))
-               tsb_config_offsets_are_bolixed_dave();
+       BUILD_BUG_ON(TI_TASK != offsetof(struct thread_info, task) ||
+                    TI_FLAGS != offsetof(struct thread_info, flags) ||
+                    TI_CPU != offsetof(struct thread_info, cpu) ||
+                    TI_FPSAVED != offsetof(struct thread_info, fpsaved) ||
+                    TI_KSP != offsetof(struct thread_info, ksp) ||
+                    TI_FAULT_ADDR != offsetof(struct thread_info,
+                                              fault_address) ||
+                    TI_KREGS != offsetof(struct thread_info, kregs) ||
+                    TI_UTRAPS != offsetof(struct thread_info, utraps) ||
+                    TI_EXEC_DOMAIN != offsetof(struct thread_info,
+                                               exec_domain) ||
+                    TI_REG_WINDOW != offsetof(struct thread_info,
+                                              reg_window) ||
+                    TI_RWIN_SPTRS != offsetof(struct thread_info,
+                                              rwbuf_stkptrs) ||
+                    TI_GSR != offsetof(struct thread_info, gsr) ||
+                    TI_XFSR != offsetof(struct thread_info, xfsr) ||
+                    TI_USER_CNTD0 != offsetof(struct thread_info,
+                                              user_cntd0) ||
+                    TI_USER_CNTD1 != offsetof(struct thread_info,
+                                              user_cntd1) ||
+                    TI_KERN_CNTD0 != offsetof(struct thread_info,
+                                              kernel_cntd0) ||
+                    TI_KERN_CNTD1 != offsetof(struct thread_info,
+                                              kernel_cntd1) ||
+                    TI_PCR != offsetof(struct thread_info, pcr_reg) ||
+                    TI_PRE_COUNT != offsetof(struct thread_info,
+                                             preempt_count) ||
+                    TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
+                    TI_SYS_NOERROR != offsetof(struct thread_info,
+                                               syscall_noerror) ||
+                    TI_RESTART_BLOCK != offsetof(struct thread_info,
+                                                 restart_block) ||
+                    TI_KUNA_REGS != offsetof(struct thread_info,
+                                             kern_una_regs) ||
+                    TI_KUNA_INSN != offsetof(struct thread_info,
+                                             kern_una_insn) ||
+                    TI_FPREGS != offsetof(struct thread_info, fpregs) ||
+                    (TI_FPREGS & (64 - 1)));
+
+       BUILD_BUG_ON(TRAP_PER_CPU_THREAD != offsetof(struct trap_per_cpu,
+                                                    thread) ||
+                    (TRAP_PER_CPU_PGD_PADDR !=
+                     offsetof(struct trap_per_cpu, pgd_paddr)) ||
+                    (TRAP_PER_CPU_CPU_MONDO_PA !=
+                     offsetof(struct trap_per_cpu, cpu_mondo_pa)) ||
+                    (TRAP_PER_CPU_DEV_MONDO_PA !=
+                     offsetof(struct trap_per_cpu, dev_mondo_pa)) ||
+                    (TRAP_PER_CPU_RESUM_MONDO_PA !=
+                     offsetof(struct trap_per_cpu, resum_mondo_pa)) ||
+                    (TRAP_PER_CPU_RESUM_KBUF_PA !=
+                     offsetof(struct trap_per_cpu, resum_kernel_buf_pa)) ||
+                    (TRAP_PER_CPU_NONRESUM_MONDO_PA !=
+                     offsetof(struct trap_per_cpu, nonresum_mondo_pa)) ||
+                    (TRAP_PER_CPU_NONRESUM_KBUF_PA !=
+                     offsetof(struct trap_per_cpu, nonresum_kernel_buf_pa)) ||
+                    (TRAP_PER_CPU_FAULT_INFO !=
+                     offsetof(struct trap_per_cpu, fault_info)) ||
+                    (TRAP_PER_CPU_CPU_MONDO_BLOCK_PA !=
+                     offsetof(struct trap_per_cpu, cpu_mondo_block_pa)) ||
+                    (TRAP_PER_CPU_CPU_LIST_PA !=
+                     offsetof(struct trap_per_cpu, cpu_list_pa)) ||
+                    (TRAP_PER_CPU_TSB_HUGE !=
+                     offsetof(struct trap_per_cpu, tsb_huge)) ||
+                    (TRAP_PER_CPU_TSB_HUGE_TEMP !=
+                     offsetof(struct trap_per_cpu, tsb_huge_temp)) ||
+                    (TRAP_PER_CPU_IRQ_WORKLIST_PA !=
+                     offsetof(struct trap_per_cpu, irq_worklist_pa)) ||
+                    (TRAP_PER_CPU_CPU_MONDO_QMASK !=
+                     offsetof(struct trap_per_cpu, cpu_mondo_qmask)) ||
+                    (TRAP_PER_CPU_DEV_MONDO_QMASK !=
+                     offsetof(struct trap_per_cpu, dev_mondo_qmask)) ||
+                    (TRAP_PER_CPU_RESUM_QMASK !=
+                     offsetof(struct trap_per_cpu, resum_qmask)) ||
+                    (TRAP_PER_CPU_NONRESUM_QMASK !=
+                     offsetof(struct trap_per_cpu, nonresum_qmask)) ||
+                    (TRAP_PER_CPU_PER_CPU_BASE !=
+                     offsetof(struct trap_per_cpu, __per_cpu_base)));
+
+       BUILD_BUG_ON((TSB_CONFIG_TSB !=
+                     offsetof(struct tsb_config, tsb)) ||
+                    (TSB_CONFIG_RSS_LIMIT !=
+                     offsetof(struct tsb_config, tsb_rss_limit)) ||
+                    (TSB_CONFIG_NENTRIES !=
+                     offsetof(struct tsb_config, tsb_nentries)) ||
+                    (TSB_CONFIG_REG_VAL !=
+                     offsetof(struct tsb_config, tsb_reg_val)) ||
+                    (TSB_CONFIG_MAP_VADDR !=
+                     offsetof(struct tsb_config, tsb_map_vaddr)) ||
+                    (TSB_CONFIG_MAP_PTE !=
+                     offsetof(struct tsb_config, tsb_map_pte)));
 
        /* Attach to the address space of init_task.  On SMP we
         * do this in smp.c:smp_callin for other cpus.
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