David S. Miller 47f2c3604f [SPARC64]: Fix X server hangs due to large pages. ... This problem was introduced by changeset 14778d9072 Unlike the hugetlb code paths, the normal fault code is not setup to propagate PTE changes for large page sizes correctly like the ones we make for I/O mappings in io_remap_pfn_range(). It is absolutely necessary to update all sub-ptes of a largepage mapping on a fault. Adding special handling for this would add considerably complexity to tlb_batch_add(). So let's just side-step the issue and forcefully dirty any writable PTEs created by io_remap_pfn_range(). The only other real option would be to disable to large PTE code of io_remap_pfn_range() and we really don't want to do that. Much thanks to Mikael Pettersson for tracking down this problem and testing debug patches. Signed-off-by: David S. Miller <davem@davemloft.net>		2006-08-29 21:23:31 -07:00
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fault.c	[SPARC64]: Explicitly print return PC when the kernel fault PC is bogus.	2006-07-24 22:33:58 -07:00
generic.c	[SPARC64]: Fix X server hangs due to large pages.	2006-08-29 21:23:31 -07:00
hugetlbpage.c	Remove obsolete #include <linux/config.h>	2006-06-30 19:25:36 +02:00
init.c	Remove obsolete #include <linux/config.h>	2006-06-30 19:25:36 +02:00
Makefile	[SPARC64]: Move away from virtual page tables, part 1.	2006-03-20 01:11:13 -08:00
tlb.c	[SPARC64]: Disable preemption during flush_tlb_pending().	2006-04-30 22:54:27 -07:00
tsb.c	[SPARC64]: Add a secondary TSB for hugepage mappings.	2006-03-22 01:15:14 -08:00
ultra.S	Remove obsolete #include <linux/config.h>	2006-06-30 19:25:36 +02:00