Commit 2d89cd86 authored by David Ahern's avatar David Ahern Committed by David S. Miller

sparc64: perf: Use UREG_FP rather than UREG_I6

perf walks userspace callchains by following frame pointers. Use the
UREG_FP macro to make it clearer that the %fp is being used.
Signed-off-by: default avatarDavid Ahern <david.ahern@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b69fb769
...@@ -1756,7 +1756,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry, ...@@ -1756,7 +1756,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
{ {
unsigned long ufp; unsigned long ufp;
ufp = regs->u_regs[UREG_I6] + STACK_BIAS; ufp = regs->u_regs[UREG_FP] + STACK_BIAS;
do { do {
struct sparc_stackf __user *usf; struct sparc_stackf __user *usf;
struct sparc_stackf sf; struct sparc_stackf sf;
...@@ -1780,7 +1780,7 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry, ...@@ -1780,7 +1780,7 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
{ {
unsigned long ufp; unsigned long ufp;
ufp = regs->u_regs[UREG_I6] & 0xffffffffUL; ufp = regs->u_regs[UREG_FP] & 0xffffffffUL;
do { do {
unsigned long pc; unsigned long pc;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment