diff options
| author | Vlastimil Babka <[email protected]> | 2018-08-23 16:21:29 +0200 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-08-24 15:55:17 +0200 |
| commit | 6a012288d6906fee1dbc244050ade1dafe4a9c8d (patch) | |
| tree | 17fddd5df13eec3bfa5731fa6619bad7c26418c3 /tools/lib/traceevent/event-parse-api.c | |
| parent | b0a182f875689647b014bc01d36b340217792852 (diff) | |
x86/speculation/l1tf: Suggest what to do on systems with too much RAM
Two users have reported [1] that they have an "extremely unlikely" system
with more than MAX_PA/2 memory and L1TF mitigation is not effective.
Make the warning more helpful by suggesting the proper mem=X kernel boot
parameter to make it effective and a link to the L1TF document to help
decide if the mitigation is worth the unusable RAM.
[1] https://bugzilla.suse.com/show_bug.cgi?id=1105536
Suggested-by: Michal Hocko <[email protected]>
Signed-off-by: Vlastimil Babka <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: "H . Peter Anvin" <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'tools/lib/traceevent/event-parse-api.c')
0 files changed, 0 insertions, 0 deletions