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authorChris Metcalf <cmetcalf@tilera.com>2010-08-13 08:40:57 -0400
committerChris Metcalf <cmetcalf@tilera.com>2010-08-13 08:40:57 -0400
commit1fcbe027b5d29ec9cd0eeb753c14fb366ae852ac (patch)
treeb0d80646567ac71238cf2ffb33e29ad33d758816 /arch/tile/kernel/stack.c
parentarch/tile: Fix a couple of issues with the COMPAT code for TILE-Gx. (diff)
downloadlinux-dev-1fcbe027b5d29ec9cd0eeb753c14fb366ae852ac.tar.xz
linux-dev-1fcbe027b5d29ec9cd0eeb753c14fb366ae852ac.zip
arch/tile: support backtracing on TILE-Gx
This functionality was stubbed out until recently. Now we support our normal backtracing API on TILE-Gx as well as on TILE64/TILEPro. This change includes a tweak to the instruction encoding caused by adding addxli for compat mode. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/kernel/stack.c')
-rw-r--r--arch/tile/kernel/stack.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c
index b6268d3ae869..38a68b0b4581 100644
--- a/arch/tile/kernel/stack.c
+++ b/arch/tile/kernel/stack.c
@@ -108,7 +108,6 @@ static bool read_memory_func(void *result, VirtualAddress address,
/* Return a pt_regs pointer for a valid fault handler frame */
static struct pt_regs *valid_fault_handler(struct KBacktraceIterator* kbt)
{
-#ifndef __tilegx__
const char *fault = NULL; /* happy compiler */
char fault_buf[64];
VirtualAddress sp = kbt->it.sp;
@@ -146,7 +145,6 @@ static struct pt_regs *valid_fault_handler(struct KBacktraceIterator* kbt)
}
if (!kbt->profile || (INT_MASK(p->faultnum) & QUEUED_INTERRUPTS) == 0)
return p;
-#endif
return NULL;
}
@@ -351,12 +349,6 @@ void tile_show_stack(struct KBacktraceIterator *kbt, int headers)
kbt->task->pid, kbt->task->tgid, kbt->task->comm,
smp_processor_id(), get_cycles());
}
-#ifdef __tilegx__
- if (kbt->is_current) {
- __insn_mtspr(SPR_SIM_CONTROL,
- SIM_DUMP_SPR_ARG(SIM_DUMP_BACKTRACE));
- }
-#endif
kbt->verbose = 1;
i = 0;
for (; !KBacktraceIterator_end(kbt); KBacktraceIterator_next(kbt)) {