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| author | Juergen Gross <jgross@suse.com> | 2023-05-02 15:09:27 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-06-01 16:04:33 +0300 |
| commit | a4316603534cf7f4dcd9f9f1ed170257b987cca9 (patch) | |
| tree | 2282077a189a653b2958500956bcd01d793889a5 /Documentation/admin-guide | |
| parent | 061b984aab5845dc958f248b5b0f9040fe45b5e1 (diff) | |
| download | linux-a4316603534cf7f4dcd9f9f1ed170257b987cca9.tar.xz | |
x86/mtrr: Add mtrr=debug command line option
Add a new command line option "mtrr=debug" for getting debug output
after building the new cache mode map. The output will include MTRR
register values and the resulting map.
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20230502120931.20719-13-jgross@suse.com
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9e5bab29685f..44a87ada7145 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3423,6 +3423,10 @@ [HW] Make the MicroTouch USB driver use raw coordinates ('y', default) or cooked coordinates ('n') + mtrr=debug [X86] + Enable printing debug information related to MTRR + registers at boot time. + mtrr_chunk_size=nn[KMG] [X86] used for mtrr cleanup. It is largest continuous chunk that could hold holes aka. UC entries. |