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author | Tony Lindgren <tony@atomide.com> | 2012-02-17 15:12:36 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2012-02-17 15:12:36 -0800 |
commit | 4d68c05ce11f4cdf6a6392f3a18dc6a985b4d0c4 (patch) | |
tree | 72e500b97c4bdcb9631209f3121f42b05ae30fea /arch/powerpc/mm/fault.c | |
parent | 40c0591f0a349ec074357e05c6ab1a3bc951807c (diff) | |
parent | 19bfb76ca32f8e4fa80746608ff4a77707f40520 (diff) | |
download | linux-4d68c05ce11f4cdf6a6392f3a18dc6a985b4d0c4.tar.bz2 |
Merge branch 'for_3.4/dt_base' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into dt
Diffstat (limited to 'arch/powerpc/mm/fault.c')
-rw-r--r-- | arch/powerpc/mm/fault.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 5efe8c96d37f..2f0d1b032a89 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -44,6 +44,8 @@ #include <asm/siginfo.h> #include <mm/mmu_decl.h> +#include "icswx.h" + #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs) { @@ -143,6 +145,21 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, is_write = error_code & ESR_DST; #endif /* CONFIG_4xx || CONFIG_BOOKE */ +#ifdef CONFIG_PPC_ICSWX + /* + * we need to do this early because this "data storage + * interrupt" does not update the DAR/DEAR so we don't want to + * look at it + */ + if (error_code & ICSWX_DSI_UCT) { + int ret; + + ret = acop_handle_fault(regs, address, error_code); + if (ret) + return ret; + } +#endif + if (notify_page_fault(regs)) return 0; |