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linux-stable/arch/x86/purgatory
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Ricardo Ribalda 97b6b9cbba x86/purgatory: remove PGO flags 
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.org
Fixes: 930457057a ("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>
2023-06-12 11:31:50 -07:00
..
.gitignore x86/purgatory: Fail the build if purgatory.ro has missing symbols 2020-03-17 15:59:12 +01:00
entry64.S x86/asm/purgatory: Start using annotations 2019-10-18 10:48:43 +02:00
kexec-purgatory.S x86/purgatory: Omit use of bin2c 2022-07-25 10:32:32 +02:00
Makefile x86/purgatory: remove PGO flags 2023-06-12 11:31:50 -07:00
purgatory.c kernel.h: split out panic and oops helpers 2021-07-01 11:06:04 -07:00
setup-x86_64.S x86/asm/purgatory: Start using annotations 2019-10-18 10:48:43 +02:00
stack.S x86/asm/purgatory: Start using annotations 2019-10-18 10:48:43 +02:00