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[ Upstream commit 5c0e00a391dd0099fe95991bb2f962848d851916 ] The GHES driver overrides the panic= setting by force-rebooting the system after a fatal hw error has been reported. The intent being that such an error would be reported earlier. However, this is not optimal when a hard-to-debug issue requires long time to reproduce and when that happens, the box will get rebooted after 30 seconds and thus destroy the whole hw context of when the error happened. So rip out the default GHES panic timeout and honor the global one. In the panic disabled (panic=0) case, the error will still be logged to dmesg for later inspection and if panic after a hw error is really required, then that can be controlled the usual way - use panic= on the cmdline or set it in the kernel .config's CONFIG_PANIC_TIMEOUT. Reported-by: Feng Tang <feng.tang@linux.alibaba.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Feng Tang <feng.tang@linux.alibaba.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Link: https://patch.msgid.link/20250113125224.GFZ4UMiNtWIJvgpveU@fat_crate.local Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.