On Mon 19-11-18 14:36:32, Jiri Kosina wrote: > On Wed, 14 Nov 2018, Michal Hocko wrote: > > > > > + It also drops the swap size and available > > > > + RAM limit restriction. > > > > > > Minor nit: I think this should explicitly mention that those two things > > > are related to bare metal mitigation, to avoid any confusion (as otherwise > > > the l1tf cmdline parameter is purely about hypervisor mitigations). > > > > Do you have any specific wording in mind? > > > > It also drops the swap size and available RAM limit restrictions on both > > hypervisor and bare metal. > > > > Sounds better? > > > > > With that > > > > > > Acked-by: Jiri Kosina <jkosina@xxxxxxx> > > > > Thanks! > > Yes, I think that makes it absolutely clear. Thanks, OK. Here is the incremental diff on top of the patch. I will fold and repost later this week. I assume people are still catching up after LPC and I do not want to spam them even more. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index a54f2bd39e77..c5aa4b4a797d 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2096,7 +2096,8 @@ Disables hypervisor mitigations and doesn't emit any warnings. It also drops the swap size and available - RAM limit restriction. + RAM limit restriction on both hypervisor and + bare metal. Default is 'flush'. diff --git a/Documentation/admin-guide/l1tf.rst b/Documentation/admin-guide/l1tf.rst index b00464a9c09c..2e65e6cb033e 100644 --- a/Documentation/admin-guide/l1tf.rst +++ b/Documentation/admin-guide/l1tf.rst @@ -405,7 +405,8 @@ The kernel command line allows to control the L1TF mitigations at boot off Disables hypervisor mitigations and doesn't emit any warnings. - It also drops the swap size and available RAM limit restrictions. + It also drops the swap size and available RAM limit restrictions + on both hypervisor and bare metal. ============ ============================================================= -- Michal Hocko SUSE Labs
