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Commit 36bfbdad authored by Breno Leitao's avatar Breno Leitao Committed by Greg Kroah-Hartman
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ACPI: APEI: GHES: add TAINT_MACHINE_CHECK on GHES panic path



[ Upstream commit 4734c8b46b901cff2feda8b82abc710b65dc31c1 ]

When a GHES (Generic Hardware Error Source) triggers a panic, add the
TAINT_MACHINE_CHECK taint flag to the kernel. This explicitly marks the
kernel as tainted due to a machine check event, improving diagnostics
and post-mortem analysis. The taint is set with LOCKDEP_STILL_OK to
indicate lockdep remains valid.

At large scale deployment, this helps to quickly determine panics that
are coming due to hardware failures.

Signed-off-by: default avatarBreno Leitao <leitao@debian.org>
Reviewed-by: default avatarTony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20250702-add_tain-v1-1-9187b10914b9@debian.org


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 6783224b
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