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(parent: 0975904) | patch
x86: disable IOMMUs on kernel crash
authorJoerg Roedel <joerg.roedel@amd.com>
Tue, 9 Jun 2009 15:56:09 +0000 (17:56 +0200)
committerJoerg Roedel <joerg.roedel@amd.com>
Mon, 15 Jun 2009 13:20:40 +0000 (15:20 +0200)
commit61d047be99757fd9b0af900d7abce9a13a337488
treeab7bcdf720991e57d506ed83b348e60183cff9e1tree | snapshot
parent0975904276552c8e201dad0ad31152ba8a21505acommit | diff
x86: disable IOMMUs on kernel crash

If the IOMMUs are still enabled when the kexec kernel boots access to
the disk is not possible. This is bad for tools like kdump or anything
else which wants to use PCI devices.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
arch/x86/kernel/crash.c diff | blob | history
Domain: System / Kernel;