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authorIngo Molnar <mingo@kernel.org>2013-08-15 08:00:09 (GMT)
committerIngo Molnar <mingo@kernel.org>2013-08-15 08:00:09 (GMT)
commitc9572f010d369d9905309f63e31180f291b66a8a (patch)
treefbca2a0576c4223790e23a3c1d5f50e2bdf64e10 /arch/arm/kernel/fiq.c
parent58cea307432e3376293e6b2be88d1f6e6e99274a (diff)
parentd4e4ab86bcba5a72779c43dc1459f71fea3d89c8 (diff)
downloadlinux-fsl-qoriq-c9572f010d369d9905309f63e31180f291b66a8a.tar.xz
Merge tag 'v3.11-rc5' into perf/core
Merge Linux 3.11-rc5, to sync up with the latest upstream fixes since -rc1. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/kernel/fiq.c')
-rw-r--r--arch/arm/kernel/fiq.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index 2adda11..25442f4 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -47,6 +47,11 @@
#include <asm/irq.h>
#include <asm/traps.h>
+#define FIQ_OFFSET ({ \
+ extern void *vector_fiq_offset; \
+ (unsigned)&vector_fiq_offset; \
+ })
+
static unsigned long no_fiq_insn;
/* Default reacquire function
@@ -80,13 +85,16 @@ int show_fiq_list(struct seq_file *p, int prec)
void set_fiq_handler(void *start, unsigned int length)
{
#if defined(CONFIG_CPU_USE_DOMAINS)
- memcpy((void *)0xffff001c, start, length);
+ void *base = (void *)0xffff0000;
#else
- memcpy(vectors_page + 0x1c, start, length);
+ void *base = vectors_page;
#endif
- flush_icache_range(0xffff001c, 0xffff001c + length);
+ unsigned offset = FIQ_OFFSET;
+
+ memcpy(base + offset, start, length);
+ flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length);
if (!vectors_high())
- flush_icache_range(0x1c, 0x1c + length);
+ flush_icache_range(offset, offset + length);
}
int claim_fiq(struct fiq_handler *f)
@@ -144,6 +152,7 @@ EXPORT_SYMBOL(disable_fiq);
void __init init_FIQ(int start)
{
- no_fiq_insn = *(unsigned long *)0xffff001c;
+ unsigned offset = FIQ_OFFSET;
+ no_fiq_insn = *(unsigned long *)(0xffff0000 + offset);
fiq_start = start;
}