> Since we decided it would be better to make a new function or some arch > specfic hooks rather than switch mm's in the kernel? ;) > > No, I don't know. Your idea might be reasonable, but I really haven't > thought about it much. Another option is to take the PTE lock while doing the accesses for that PFN... might work. We still need a temp kernel buffer but that would sort-of do the trick. Ben. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- [rfc] 2.6.19-rc1-git5: consolidation of file backed fault handlers
- From: Nick Piggin <npiggin@suse.de>
- [patch 4/5] mm: add vm_insert_pfn helpler
- From: Nick Piggin <npiggin@suse.de>
- Re: [patch 4/5] mm: add vm_insert_pfn helpler
- From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
- Re: [patch 4/5] mm: add vm_insert_pfn helpler
- From: Nick Piggin <nickpiggin@yahoo.com.au>
- ptrace and pfn mappings
- From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
- Re: ptrace and pfn mappings
- From: Nick Piggin <npiggin@suse.de>
- Re: ptrace and pfn mappings
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- Re: ptrace and pfn mappings
- From: Nick Piggin <npiggin@suse.de>
- Re: ptrace and pfn mappings
- From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
- Re: ptrace and pfn mappings
- From: Nick Piggin <npiggin@suse.de>
- [rfc] 2.6.19-rc1-git5: consolidation of file backed fault handlers
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