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| author |   David S. Miller <davem@davemloft.net> | 2005-08-29 12:44:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-08-29 12:44:57 -0700 |
| commit | bde4e4ee9f90142d550e2684dec2c8df302f5f8e (patch) | |
| tree | 9ea03bd0e3cfe7ed1de41171dd5a906779b02e72 /arch/sparc64/kernel/traps.c | |
| parent | [SPARC64]: Fix trap state reading for instruction_access_exception. (diff) | |
| download | linux-dev-bde4e4ee9f90142d550e2684dec2c8df302f5f8e.tar.xz linux-dev-bde4e4ee9f90142d550e2684dec2c8df302f5f8e.zip | |
[SPARC64]: Do not call winfix_dax blindly
Verify we really are taking a data access exception trap, at TL1, from
one of the window spill/fill handlers.
Else call a new function, data_access_exception_tl1, to log the error.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | arch/sparc64/kernel/traps.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index 0c9e54b2f0c8..210b3e321c29 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -220,6 +220,17 @@ void data_access_exception(struct pt_regs *regs, force_sig_info(SIGSEGV, &info, current); } +void data_access_exception_tl1(struct pt_regs *regs, + unsigned long sfsr, unsigned long sfar) +{ + if (notify_die(DIE_TRAP_TL1, "data access exception tl1", regs, + 0, 0x30, SIGTRAP) == NOTIFY_STOP) + return; + + dump_tl1_traplog((struct tl1_traplog *)(regs + 1)); + data_access_exception(regs, sfsr, sfar); +} + #ifdef CONFIG_PCI /* This is really pathetic... */ extern volatile int pci_poke_in_progress; |