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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-12 23:27:24 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-12 23:27:24 +0100 |
| commit | 09cea96caa59fabab3030c53bd698b9b568d959a (patch) | |
| tree | a991cdc0c887fdcda37f4b751ee98d3db9559f4e /arch/powerpc/mm/fault.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiw... (diff) | |
| parent | powerpc: Fix usage of 64-bit instruction in 32-bit altivec code (diff) | |
| download | linux-09cea96caa59fabab3030c53bd698b9b568d959a.tar.xz linux-09cea96caa59fabab3030c53bd698b9b568d959a.zip | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits)
powerpc: Fix usage of 64-bit instruction in 32-bit altivec code
MAINTAINERS: Add PowerPC patterns
powerpc/pseries: Track previous CPPR values to correctly EOI interrupts
powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP
powerpc: Make "intspec" pointers in irq_host->xlate() const
powerpc/8xx: DTLB Miss cleanup
powerpc/8xx: Remove DIRTY pte handling in DTLB Error.
powerpc/8xx: Start using dcbX instructions in various copy routines
powerpc/8xx: Restore _PAGE_WRITETHRU
powerpc/8xx: Add missing Guarded setting in DTLB Error.
powerpc/8xx: Fixup DAR from buggy dcbX instructions.
powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions.
powerpc/8xx: Update TLB asm so it behaves as linux mm expects.
powerpc/8xx: Invalidate non present TLBs
powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate
pseries/pseries: Add code to online/offline CPUs of a DLPAR node
powerpc: stop_this_cpu: remove the cpu from the online map.
powerpc/pseries: Add kernel based CPU DLPAR handling
sysfs/cpu: Add probe/release files
powerpc/pseries: Kernel DLPAR Infrastructure
...
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. |