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authorOtavio Salvador <otavio@ossystems.com.br>2022-05-19 11:02:10 -0300
committerGitHub <noreply@github.com>2022-05-19 11:02:10 -0300
commitb7007e1d615b8d4b71c28ebf790c5164fc4491d5 (patch)
tree48c35f63dc1101d0d528b5d79c81849b99ca7c6d /arch/arm64/kernel/perf_callchain.c
parent38955ef654554c94f4d91bafb9ef5c5f41a4c0f6 (diff)
parent0e61b511dd8474280ba674590daa55f30433b7d4 (diff)
Merge pull request #565 from philschenker/update-to-5.4.193__update-to-2.3.7__5.4-2.3.x-imx
Update Patchlevel on Branch 5.4-2.3.x-imx from 5.4.161->5.4.193
Diffstat (limited to 'arch/arm64/kernel/perf_callchain.c')
-rw-r--r--arch/arm64/kernel/perf_callchain.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/arm64/kernel/perf_callchain.c b/arch/arm64/kernel/perf_callchain.c
index b0e03e052dd1..b84ec4ce7d8d 100644
--- a/arch/arm64/kernel/perf_callchain.c
+++ b/arch/arm64/kernel/perf_callchain.c
@@ -102,7 +102,9 @@ compat_user_backtrace(struct compat_frame_tail __user *tail,
void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
struct pt_regs *regs)
{
- if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) {
+ struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
+
+ if (guest_cbs && guest_cbs->is_in_guest()) {
/* We don't support guest os callchain now */
return;
}
@@ -147,9 +149,10 @@ static int callchain_trace(struct stackframe *frame, void *data)
void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
struct pt_regs *regs)
{
+ struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
struct stackframe frame;
- if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) {
+ if (guest_cbs && guest_cbs->is_in_guest()) {
/* We don't support guest os callchain now */
return;
}
@@ -160,18 +163,21 @@ void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
unsigned long perf_instruction_pointer(struct pt_regs *regs)
{
- if (perf_guest_cbs && perf_guest_cbs->is_in_guest())
- return perf_guest_cbs->get_guest_ip();
+ struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
+
+ if (guest_cbs && guest_cbs->is_in_guest())
+ return guest_cbs->get_guest_ip();
return instruction_pointer(regs);
}
unsigned long perf_misc_flags(struct pt_regs *regs)
{
+ struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
int misc = 0;
- if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) {
- if (perf_guest_cbs->is_user_mode())
+ if (guest_cbs && guest_cbs->is_in_guest()) {
+ if (guest_cbs->is_user_mode())
misc |= PERF_RECORD_MISC_GUEST_USER;
else
misc |= PERF_RECORD_MISC_GUEST_KERNEL;