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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-12 17:00:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-03-12 17:00:35 -0700 |
| commit | c463be3520065ef8c05e3cbdf946c69604e91ceb (patch) | |
| tree | 08b8e881a92ac116ef1182e0e6127a0fcd2d0739 /arch/ppc/kernel | |
| parent | 609eb39c8d8a8d2930780428f6cbe2f63eb84734 (diff) | |
| parent | 31bf111944e31b64a7b692f9d660f71c5ff3d419 (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (22 commits)
[POWERPC] Fix large hash table allocation on Cell blades
[POWERPC] Export empty_zero_page
[POWERPC] Fix viodasd driver with scatterlist debug
[POWERPC] Fix arch/powerpc/platforms/powermac/pic.c when !CONFIG_ADB_PMU
[POWERPC] Fix drivers/macintosh/mediabay.c when !CONFIG_ADB_PMU
[POWERPC] Fix undefined pmu_sys_suspended compilation error
[POWERPC] Fix build of modular drivers/macintosh/apm_emu.c
[POWERPC] Fix sleep on some powerbooks
[POWERPC] Fix bogus test for unassigned PCI resources
[POWERPC] Fix zImage-dtb.initrd build error
[POWERPC] Add __ucmpdi2 for 64-bit comparisons in 32-bit kernels
[POWERPC] spufs: fix rescheduling of non-runnable contexts
[POWERPC] spufs: don't (ab)use SCHED_IDLE
[POWERPC] QE: Make qe_get_firmware_info reentrant
[POWERPC] 83xx: Make 83xx perfmon support selectable
[PPC] 8xx: swap bug-fix
[POWERPC] 85xx: sbc8548 - Fix incorrect PCI-X and PCI interrupt map
[POWERPC] QE: Fix QE firmware uploading limit
[POWERPC] 8xx: Fix wrapper platform for adder875, and combine defconfigs.
[POWERPC] 8xx: fix swap
...
Diffstat (limited to 'arch/ppc/kernel')
| -rw-r--r-- | arch/ppc/kernel/head_8xx.S | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S index eb8d26f8736..321bda2de2c 100644 --- a/arch/ppc/kernel/head_8xx.S +++ b/arch/ppc/kernel/head_8xx.S @@ -329,8 +329,18 @@ InstructionTLBMiss: mfspr r11, SPRN_MD_TWC /* ....and get the pte address */ lwz r10, 0(r11) /* Get the pte */ +#ifdef CONFIG_SWAP + /* do not set the _PAGE_ACCESSED bit of a non-present page */ + andi. r11, r10, _PAGE_PRESENT + beq 4f + ori r10, r10, _PAGE_ACCESSED + mfspr r11, SPRN_MD_TWC /* get the pte address again */ + stw r10, 0(r11) +4: +#else ori r10, r10, _PAGE_ACCESSED stw r10, 0(r11) +#endif /* The Linux PTE won't go exactly into the MMU TLB. * Software indicator bits 21, 22 and 28 must be clear. @@ -395,8 +405,17 @@ DataStoreTLBMiss: DO_8xx_CPU6(0x3b80, r3) mtspr SPRN_MD_TWC, r11 - mfspr r11, SPRN_MD_TWC /* get the pte address again */ +#ifdef CONFIG_SWAP + /* do not set the _PAGE_ACCESSED bit of a non-present page */ + andi. r11, r10, _PAGE_PRESENT + beq 4f + ori r10, r10, _PAGE_ACCESSED +4: + /* and update pte in table */ +#else ori r10, r10, _PAGE_ACCESSED +#endif + mfspr r11, SPRN_MD_TWC /* get the pte address again */ stw r10, 0(r11) /* The Linux PTE won't go exactly into the MMU TLB. @@ -575,7 +594,16 @@ DataTLBError: /* Update 'changed', among others. */ +#ifdef CONFIG_SWAP + ori r10, r10, _PAGE_DIRTY|_PAGE_HWWRITE + /* do not set the _PAGE_ACCESSED bit of a non-present page */ + andi. r11, r10, _PAGE_PRESENT + beq 4f + ori r10, r10, _PAGE_ACCESSED +4: +#else ori r10, r10, _PAGE_DIRTY|_PAGE_ACCESSED|_PAGE_HWWRITE +#endif mfspr r11, SPRN_MD_TWC /* Get pte address again */ stw r10, 0(r11) /* and update pte in table */ |