Message ID | 20230321-kexec_clang16-v4-0-1340518f98e9@chromium.org |
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charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAyxIWQC/33N3Q6CMAwF4Fchu3Zm3fj1yvcwxkBXYBFGsgnREN 7dxkujXDWnzfm6ikjBURSnZBWBFhfd5Dmkh0RgX/uOpLOchVbaKKNB3ulJeMOBb5DLNAOF2ljQFQ ruNHUk2YTaY88tPw8DL3sXH1N4fX4swOPyj1tAKlkXedmixgJTe8Y+TKObx+MUOnFlbNG7gGbAgq LMZlCUefUDMLuAYSBrFeRYWkVl8QVs2/YGHtmubzQBAAA= From: Ricardo Ribalda <ribalda@chromium.org> Date: Mon, 27 Mar 2023 17:06:52 +0200 Message-Id: <20230321-kexec_clang16-v4-0-1340518f98e9@chromium.org> To: Eric Biederman <ebiederm@xmission.com> Cc: linux-kernel@vger.kernel.org, Baoquan He <bhe@redhat.com>, stable@vger.kernel.org, Ross Zwisler <zwisler@google.com>, Ricardo Ribalda <ribalda@chromium.org>, Philipp Rudo <prudo@redhat.com>, Steven Rostedt <rostedt@goodmis.org>, kexec@lists.infradead.org X-Mailer: b4 0.11.0-dev-696ae X-Developer-Signature: v=1; a=openpgp-sha256; l=1624; i=ribalda@chromium.org; h=from:subject:message-id; bh=c/Cef+C3wMgRslM3TKLYo/Fx7R2kWnifW8QXo2DyqYc=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBkIbEOxUf1VwPNCpjkoRxJUrAGmu9A9fnWdmb5L5VA wW+pMCGJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCZCGxDgAKCRDRN9E+zzrEiOjND/ 9IHDPa+BnNrrVbx15zUGOg/Puq2djPp0nMs1Bjy5OtucU4d8Mm5xg0Q9TwgufJuZ0NqYk8kGbja9Nu y6/2suuXEdMr9W0Zi1rxHlYgO2XAklZR15uUjk73Cx97mKWDt68p+VLcnNS967KJjB/6+Pi5uiLQ3l 3XKSfKrN/XZeqMzbViurzi0mWw7lO8/EwIgd23jYeButR4rSdqUWm3sdVLbm6PSgkAVdfOvP+BFvu9 1ytum13E5pu08RpMV8Zpj6tA0lcZTnAZ+2y+z2CL9BqemWA2PHfUtuS8jjOpUpmJyyjVQuOmznnEys gQ15HtMS2lVAYuG3g5oRk2mPjqEzkfkuql8384sq1uKzJ4HswLj4qRckUb+JQwE8NsNtHWvPXiX73g EyNoTPxWWp1I2uLyd9OhEWD1qGyKXhG5o5OuL+lOH7tIOw8P7xsLmKNz0jc5b3ASdjrUEgsWVo2QMF 0WTg5oXJ+GybniwJaGqZf6tq1LgzBXEtbVLYc4wMPg46eyALDK/pXJkW8mt7snIYk85cVBj6kHWnmH DIDC86y0ogc4WKXaqRcg7Srs9pPWWVes9VAKbTthTWMkM+Oev09qbdFB1M9Upic9XYO8kWt7Mz11l9 cnjS2Lt/NrLGwv14oa5zOpPSV495yV2BSx5ko0aGP+Xy8NdYt+73I0yHsxXg== X-Developer-Key: i=ribalda@chromium.org; 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Series |
kexec: Fix kexec_file_load for llvm16
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Message
Ricardo Ribalda
March 27, 2023, 3:06 p.m. UTC
When upreving llvm I realised that kexec stopped working on my test
platform. This patch fixes it.
To: Eric Biederman <ebiederm@xmission.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Philipp Rudo <prudo@redhat.com>
Cc: kexec@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: Ross Zwisler <zwisler@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
Changes in v4:
- Add Cc: stable
- Add linker script for x86
- Add a warning when the kernel image has overlapping sections.
- Link to v3: https://lore.kernel.org/r/20230321-kexec_clang16-v3-0-5f016c8d0e87@chromium.org
Changes in v3:
- Fix initial value. Thanks Ross!
- Link to v2: https://lore.kernel.org/r/20230321-kexec_clang16-v2-0-d10e5d517869@chromium.org
Changes in v2:
- Fix if condition. Thanks Steven!.
- Update Philipp email. Thanks Baoquan.
- Link to v1: https://lore.kernel.org/r/20230321-kexec_clang16-v1-0-a768fc2c7c4d@chromium.org
---
Ricardo Ribalda (2):
kexec: Support purgatories with .text.hot sections
x86/purgatory: Add linker script
arch/x86/purgatory/.gitignore | 2 ++
arch/x86/purgatory/Makefile | 20 +++++++++----
arch/x86/purgatory/kexec-purgatory.S | 2 +-
arch/x86/purgatory/purgatory.lds.S | 57 ++++++++++++++++++++++++++++++++++++
kernel/kexec_file.c | 13 +++++++-
5 files changed, 86 insertions(+), 8 deletions(-)
---
base-commit: 17214b70a159c6547df9ae204a6275d983146f6b
change-id: 20230321-kexec_clang16-4510c23d129c
Best regards,