On Mon, Jun 19, 2023 at 01:38:06PM +0200, Ricardo Ribalda wrote:
If profile-guided optimization is enabled, the purgatory ends up with multiple .text sections. This is not supported by kexec and crashes the system.
Link: https://lkml.kernel.org/r/20230321-kexec_clang16-v7-2-b05c520b7296@chromium.... Fixes: 930457057abe ("kernel/kexec_file.c: split up __kexec_load_puragory") Signed-off-by: Ricardo Ribalda ribalda@chromium.org Cc: stable@vger.kernel.org Cc: Albert Ou aou@eecs.berkeley.edu Cc: Baoquan He bhe@redhat.com Cc: Borislav Petkov (AMD) bp@alien8.de Cc: Christophe Leroy christophe.leroy@csgroup.eu Cc: Dave Hansen dave.hansen@linux.intel.com Cc: Dave Young dyoung@redhat.com Cc: Eric W. Biederman ebiederm@xmission.com Cc: "H. Peter Anvin" hpa@zytor.com Cc: Ingo Molnar mingo@redhat.com Cc: Michael Ellerman mpe@ellerman.id.au Cc: Nathan Chancellor nathan@kernel.org Cc: Nicholas Piggin npiggin@gmail.com Cc: Nick Desaulniers ndesaulniers@google.com Cc: Palmer Dabbelt palmer@dabbelt.com Cc: Palmer Dabbelt palmer@rivosinc.com Cc: Paul Walmsley paul.walmsley@sifive.com Cc: Philipp Rudo prudo@redhat.com Cc: Ross Zwisler zwisler@google.com Cc: Simon Horman horms@kernel.org Cc: Steven Rostedt (Google) rostedt@goodmis.org Cc: Thomas Gleixner tglx@linutronix.de Cc: Tom Rix trix@redhat.com Signed-off-by: Andrew Morton akpm@linux-foundation.org (cherry picked from commit 97b6b9cbba40a21c1d9a344d5c1991f8cfbf136e) Signed-off-by: Ricardo Ribalda Delgado ribalda@chromium.org
arch/x86/purgatory/Makefile | 5 +++++ 1 file changed, 5 insertions(+)
Now queued up, thanks.
greg k-h