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| author | Thomas Gleixner <tglx@linutronix.de> | 2010-02-17 18:27:37 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-02-17 18:28:05 +0100 |
| commit | b7e56edba4b02f2079042c326a8cd72a44635817 (patch) | |
| tree | b5042002e9747cd8fb1278d61f86d8b92a74c018 /arch/powerpc/mm/fault.c | |
| parent | x86: Use the generic page_is_ram() (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 (diff) | |
| download | linux-b7e56edba4b02f2079042c326a8cd72a44635817.tar.xz linux-b7e56edba4b02f2079042c326a8cd72a44635817.zip | |
Merge branch 'linus' into x86/mm
x86/mm is on 32-rc4 and missing the spinlock namespace changes which
are needed for further commits into this topic.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/powerpc/mm/fault.c')
| -rw-r--r-- | arch/powerpc/mm/fault.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index e7dae82c1285..26fb6b990b0a 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -40,7 +40,7 @@ #include <asm/uaccess.h> #include <asm/tlbflush.h> #include <asm/siginfo.h> - +#include <mm/mmu_decl.h> #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs) @@ -246,6 +246,12 @@ good_area: goto bad_area; #endif /* CONFIG_6xx */ #if defined(CONFIG_8xx) + /* 8xx sometimes need to load a invalid/non-present TLBs. + * These must be invalidated separately as linux mm don't. + */ + if (error_code & 0x40000000) /* no translation? */ + _tlbil_va(address, 0, 0, 0); + /* The MPC8xx seems to always set 0x80000000, which is * "undefined". Of those that can be set, this is the only * one which seems bad. |