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| author | Steve French <sfrench@us.ibm.com> | 2008-02-15 21:06:08 (GMT) |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-02-15 21:06:08 (GMT) |
| commit | 0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41 (patch) | |
| tree | b80b1d344ec24cad28b057ef803cebac9434be01 /arch/sh/mm/fault_32.c | |
| parent | 70eff55d2d979cca700aa6906494f0c474f3f7ff (diff) | |
| parent | 101142c37be8e5af9b847860219217e6b958c739 (diff) | |
| download | linux-fsl-qoriq-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.tar.xz | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/sh/mm/fault_32.c')
| -rw-r--r-- | arch/sh/mm/fault_32.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 33b43d2..d1fa275 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -15,6 +15,7 @@ #include <linux/mm.h> #include <linux/hardirq.h> #include <linux/kprobes.h> +#include <asm/io_trapped.h> #include <asm/system.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> @@ -163,6 +164,8 @@ no_context: if (fixup_exception(regs)) return; + if (handle_trapped_io(regs, address)) + return; /* * Oops. The kernel tried to access some bad page. We'll have to * terminate things with extreme prejudice. @@ -296,6 +299,14 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs, entry = pte_mkdirty(entry); entry = pte_mkyoung(entry); +#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SMP) + /* + * ITLB is not affected by "ldtlb" instruction. + * So, we need to flush the entry by ourselves. + */ + local_flush_tlb_one(get_asid(), address & PAGE_MASK); +#endif + set_pte(pte, entry); update_mmu_cache(NULL, address, entry); |