summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/trace/ftrace.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2024-03-18 17:30:46 +0000
committerMark Brown <broonie@kernel.org>2024-03-18 17:30:46 +0000
commit5bd249aec71d75f0088357e4aba27fde0610f823 (patch)
treeed63b21b48b711430492734564775758a39eb94c /arch/powerpc/kernel/trace/ftrace.c
parent7397175cb7b48f7a3fc699083aa46f1234904c7e (diff)
parente8f897f4afef0031fe618a8e94127a0934896aba (diff)
spi: Merge up v6.8 release
An i.MX fix depends on other fixes that were sent to v6.8.
Diffstat (limited to 'arch/powerpc/kernel/trace/ftrace.c')
-rw-r--r--arch/powerpc/kernel/trace/ftrace.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c
index 82010629cf88..d8d6b4fd9a14 100644
--- a/arch/powerpc/kernel/trace/ftrace.c
+++ b/arch/powerpc/kernel/trace/ftrace.c
@@ -27,10 +27,22 @@
#include <asm/ftrace.h>
#include <asm/syscall.h>
#include <asm/inst.h>
+#include <asm/sections.h>
#define NUM_FTRACE_TRAMPS 2
static unsigned long ftrace_tramps[NUM_FTRACE_TRAMPS];
+unsigned long ftrace_call_adjust(unsigned long addr)
+{
+ if (addr >= (unsigned long)__exittext_begin && addr < (unsigned long)__exittext_end)
+ return 0;
+
+ if (IS_ENABLED(CONFIG_ARCH_USING_PATCHABLE_FUNCTION_ENTRY))
+ addr += MCOUNT_INSN_SIZE;
+
+ return addr;
+}
+
static ppc_inst_t ftrace_create_branch_inst(unsigned long ip, unsigned long addr, int link)
{
ppc_inst_t op;