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authorLinus Torvalds <torvalds@linux-foundation.org>2022-12-19 08:23:27 -0600
committerLinus Torvalds <torvalds@linux-foundation.org>2022-12-19 08:23:27 -0600
commit2f26e424552efd50722f4cf61f7f080373adbb1e (patch)
tree2ee52ba17fe19a6456d7110447e7127fd56c6b18 /arch/loongarch/kernel/unwind_guess.c
parent96bab5b926e4c2d970f70495f4554f905babd09d (diff)
parent5535f4f70cfc15ef55b6ea7c7e17337b17337cb6 (diff)
downloadlinux-2f26e424552efd50722f4cf61f7f080373adbb1e.tar.bz2
Merge tag 'loongarch-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen: - Switch to relative exception tables - Add unaligned access support - Add alternative runtime patching mechanism - Add FDT booting support from efi system table - Add suspend/hibernation (ACPI S3/S4) support - Add basic STACKPROTECTOR support - Add ftrace (function tracer) support - Update the default config file * tag 'loongarch-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (24 commits) LoongArch: Update Loongson-3 default config file LoongArch: modules/ftrace: Initialize PLT at load time LoongArch/ftrace: Add HAVE_FUNCTION_GRAPH_RET_ADDR_PTR support LoongArch/ftrace: Add HAVE_DYNAMIC_FTRACE_WITH_ARGS support LoongArch/ftrace: Add HAVE_DYNAMIC_FTRACE_WITH_REGS support LoongArch/ftrace: Add dynamic function graph tracer support LoongArch/ftrace: Add dynamic function tracer support LoongArch/ftrace: Add recordmcount support LoongArch/ftrace: Add basic support LoongArch: module: Use got/plt section indices for relocations LoongArch: Add basic STACKPROTECTOR support LoongArch: Add hibernation (ACPI S4) support LoongArch: Add suspend (ACPI S3) support LoongArch: Add processing ISA Node in DeviceTree LoongArch: Add FDT booting support from efi system table LoongArch: Use alternative to optimize libraries LoongArch: Add alternative runtime patching mechanism LoongArch: Add unaligned access support LoongArch: BPF: Add BPF exception tables LoongArch: Remove the .fixup section usage ...
Diffstat (limited to 'arch/loongarch/kernel/unwind_guess.c')
-rw-r--r--arch/loongarch/kernel/unwind_guess.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/loongarch/kernel/unwind_guess.c b/arch/loongarch/kernel/unwind_guess.c
index 5afa6064d73e..e2d2e4f3001f 100644
--- a/arch/loongarch/kernel/unwind_guess.c
+++ b/arch/loongarch/kernel/unwind_guess.c
@@ -3,6 +3,7 @@
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/kernel.h>
+#include <linux/ftrace.h>
#include <asm/unwind.h>
@@ -53,7 +54,8 @@ bool unwind_next_frame(struct unwind_state *state)
state->sp < info->end;
state->sp += sizeof(unsigned long)) {
addr = *(unsigned long *)(state->sp);
-
+ state->pc = ftrace_graph_ret_addr(state->task, &state->graph_idx,
+ addr, (unsigned long *)(state->sp - GRAPH_FAKE_OFFSET));
if (__kernel_text_address(addr))
return true;
}