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Diffstat (limited to 'arch/csky/kernel/perf_callchain.c')
-rw-r--r--arch/csky/kernel/perf_callchain.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/csky/kernel/perf_callchain.c b/arch/csky/kernel/perf_callchain.c
index 35318a635a5f..92057de08f4f 100644
--- a/arch/csky/kernel/perf_callchain.c
+++ b/arch/csky/kernel/perf_callchain.c
@@ -86,13 +86,8 @@ static unsigned long user_backtrace(struct perf_callchain_entry_ctx *entry,
void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
struct pt_regs *regs)
{
- struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs();
unsigned long fp = 0;
- /* C-SKY does not support virtualization. */
- if (guest_cbs && guest_cbs->is_in_guest())
- return;
-
fp = regs->regs[4];
perf_callchain_store(entry, regs->pc);
@@ -111,15 +106,8 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
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 fr;
- /* C-SKY does not support virtualization. */
- if (guest_cbs && guest_cbs->is_in_guest()) {
- pr_warn("C-SKY does not support perf in guest mode!");
- return;
- }
-
fr.fp = regs->regs[4];
fr.lr = regs->lr;
walk_stackframe(&fr, entry);