linux-kernelorg-stable/arch/powerpc/kernel/trace
Naveen N Rao 4b3338aaa7 powerpc/ftrace: Fix stack teardown in ftrace_no_trace
Commit 41a506ef71 ("powerpc/ftrace: Create a dummy stackframe to fix
stack unwind") added use of a new stack frame on ftrace entry to fix
stack unwind. However, the commit missed updating the offset used while
tearing down the ftrace stack when ftrace is disabled. Fix the same.

In addition, the commit missed saving the correct stack pointer in
pt_regs. Update the same.

Fixes: 41a506ef71 ("powerpc/ftrace: Create a dummy stackframe to fix stack unwind")
Cc: stable@vger.kernel.org # v6.5+
Signed-off-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231130065947.2188860-1-naveen@kernel.org
2023-12-05 14:14:12 +11:00
..
Makefile powerpc/ftrace: Consolidate ftrace support into fewer files 2023-08-22 00:09:05 +10:00
ftrace.c powerpc/ftrace: Add support for -fpatchable-function-entry 2023-08-22 00:09:06 +10:00
ftrace_64_pg.c powerpc/ftrace: Consolidate ftrace support into fewer files 2023-08-22 00:09:05 +10:00
ftrace_64_pg_entry.S powerpc/ftrace: Consolidate ftrace support into fewer files 2023-08-22 00:09:05 +10:00
ftrace_entry.S powerpc/ftrace: Fix stack teardown in ftrace_no_trace 2023-12-05 14:14:12 +11:00
trace_clock.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00