diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-10-30 10:43:08 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-10-30 10:43:08 +0200 |
| commit | 169ed55bd30305b933f52bfab32a58671d44ab68 (patch) | |
| tree | 32e280957474f458901abfce16fa2a1687ef7497 /arch/tile/mm/fault.c | |
| parent | 3d7851b3cdd43a734e5cc4c643fd886ab28ad4d5 (diff) | |
| parent | 45f81b1c96d9793e47ce925d257ea693ce0b193e (diff) | |
Merge branch 'tip/perf/jump-label-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
Diffstat (limited to 'arch/tile/mm/fault.c')
| -rw-r--r-- | arch/tile/mm/fault.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c index 704f3e8a438..f295b4ac941 100644 --- a/arch/tile/mm/fault.c +++ b/arch/tile/mm/fault.c @@ -66,10 +66,10 @@ static noinline void force_sig_info_fault(int si_signo, int si_code, #ifndef __tilegx__ /* * Synthesize the fault a PL0 process would get by doing a word-load of - * an unaligned address or a high kernel address. Called indirectly - * from sys_cmpxchg() in kernel/intvec.S. + * an unaligned address or a high kernel address. */ -int _sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *regs) +SYSCALL_DEFINE2(cmpxchg_badaddr, unsigned long, address, + struct pt_regs *, regs) { if (address >= PAGE_OFFSET) force_sig_info_fault(SIGSEGV, SEGV_MAPERR, address, @@ -563,10 +563,10 @@ do_sigbus: /* * When we take an ITLB or DTLB fault or access violation in the * supervisor while the critical section bit is set, the hypervisor is - * reluctant to write new values into the EX_CONTEXT_1_x registers, + * reluctant to write new values into the EX_CONTEXT_K_x registers, * since that might indicate we have not yet squirreled the SPR * contents away and can thus safely take a recursive interrupt. - * Accordingly, the hypervisor passes us the PC via SYSTEM_SAVE_1_2. + * Accordingly, the hypervisor passes us the PC via SYSTEM_SAVE_K_2. * * Note that this routine is called before homecache_tlb_defer_enter(), * which means that we can properly unlock any atomics that might @@ -610,7 +610,7 @@ struct intvec_state do_page_fault_ics(struct pt_regs *regs, int fault_num, * fault. We didn't set up a kernel stack on initial entry to * sys_cmpxchg, but instead had one set up by the fault, which * (because sys_cmpxchg never releases ICS) came to us via the - * SYSTEM_SAVE_1_2 mechanism, and thus EX_CONTEXT_1_[01] are + * SYSTEM_SAVE_K_2 mechanism, and thus EX_CONTEXT_K_[01] are * still referencing the original user code. We release the * atomic lock and rewrite pt_regs so that it appears that we * came from user-space directly, and after we finish the |