Messages in this thread Patch in this message | | | Subject | Re: [PATCH] (urgent) ppc32: Fix CPUs with soft loaded TLB | From | Benjamin Herrenschmidt <> | Date | Sun, 06 Jun 2004 16:42:42 -0500 |
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On Sun, 2004-06-06 at 16:20, Linus Torvalds wrote: > On Sun, 6 Jun 2004, Benjamin Herrenschmidt wrote: > > > > The recent introduction of ptep_set_access_flags() with the optimisation > > of not flushing the TLB unfortunately broke ppc32 CPUs with no hash table. > > Makes sense, applied.
ARGH. Missed one file. Here is an additional patch (missed tlbflush.h patch)
Sorry.
This adds the definiction of flush_tlb_page_nohash() that was missing from the previous patch fixing SW-TLB loaded PPCs
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
===== include/asm-ppc/tlbflush.h 1.9 vs edited ===== --- 1.9/include/asm-ppc/tlbflush.h 2003-09-15 15:59:05 -05:00 +++ edited/include/asm-ppc/tlbflush.h 2004-06-06 16:01:50 -05:00 @@ -29,6 +29,9 @@ static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { _tlbie(vmaddr); } +static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, + unsigned long vmaddr) + { _tlbie(vmaddr); } static inline void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { __tlbia(); } @@ -44,6 +47,9 @@ static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { _tlbie(vmaddr); } +static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, + unsigned long vmaddr) + { _tlbie(vmaddr); } static inline void flush_tlb_range(struct mm_struct *mm, unsigned long start, unsigned long end) { __tlbia(); } @@ -56,6 +62,7 @@ struct vm_area_struct; extern void flush_tlb_mm(struct mm_struct *mm); extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); +extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
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