diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-03-26 08:44:18 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-03-26 08:44:18 +1100 |
| commit | 54f53f2b94feb72622bec7a8563fc487d9f97720 (patch) | |
| tree | ab0c4e1dcadd25a00fa7a4febf41bc43b864cf73 /arch/powerpc/mm | |
| parent | f61fb8a52cdf8b9b6a6badde84aefe58cb35d315 (diff) | |
| parent | a4083c9271e0a697278e089f2c0b9a95363ada0a (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/mm/slb.c | 6 |
2 files changed, 14 insertions, 3 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 0b018b29cda8..c2e5f61788b0 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -370,9 +370,14 @@ static void __init htab_init_page_sizes(void) mmu_vmalloc_psize = MMU_PAGE_64K; if (mmu_linear_psize == MMU_PAGE_4K) mmu_linear_psize = MMU_PAGE_64K; - if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE)) - mmu_io_psize = MMU_PAGE_64K; - else + if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE)) { + /* + * Don't use 64k pages for ioremap on pSeries, since + * that would stop us accessing the HEA ethernet. + */ + if (!machine_is(pseries)) + mmu_io_psize = MMU_PAGE_64K; + } else mmu_ci_restrictions = 1; } #endif /* CONFIG_PPC_64K_PAGES */ diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c index 47b06bad24ad..906daeda59a8 100644 --- a/arch/powerpc/mm/slb.c +++ b/arch/powerpc/mm/slb.c @@ -124,6 +124,12 @@ void slb_flush_and_rebolt(void) ksp_vsid_data = get_slb_shadow()->save_area[2].vsid; } + /* + * We can't take a PMU exception in the following code, so hard + * disable interrupts. + */ + hard_irq_disable(); + /* We need to do this all in asm, so we're sure we don't touch * the stack between the slbia and rebolting it. */ asm volatile("isync\n" |