Commit 33904054 authored by Michael Ellerman's avatar Michael Ellerman Committed by Benjamin Herrenschmidt
Browse files

powerpc/perf: Add an accessor for regs->result



Add an accessor for regs->result so we can use it to store more flags in
future.
Signed-off-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Acked-by: default avatarPaul Mackerras <paulus@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 5682c460
......@@ -89,6 +89,11 @@ static inline int siar_valid(struct pt_regs *regs)
#endif /* CONFIG_PPC32 */
static bool regs_use_siar(struct pt_regs *regs)
{
return !!(regs->result & 1);
}
/*
* Things that are specific to 64-bit implementations.
*/
......@@ -162,7 +167,7 @@ static inline u32 perf_flags_from_msr(struct pt_regs *regs)
static inline u32 perf_get_misc_flags(struct pt_regs *regs)
{
unsigned long use_siar = regs->result;
bool use_siar = regs_use_siar(regs);
if (!use_siar)
return perf_flags_from_msr(regs);
......@@ -1425,7 +1430,7 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
*/
unsigned long perf_instruction_pointer(struct pt_regs *regs)
{
unsigned long use_siar = regs->result;
bool use_siar = regs_use_siar(regs);
if (use_siar && siar_valid(regs))
return mfspr(SPRN_SIAR) + perf_ip_adjust(regs);
......
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