Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-12-10 Thread Michal Hocko
On Sun 09-12-18 21:46:57, Jiri Kosina wrote: > On Mon, 19 Nov 2018, Michal Hocko wrote: > > > > > > > + It also drops the swap size and > > > > > > available > > > > > > + RAM limit restriction. > > > > > > > > > > Minor nit: I think this

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-12-09 Thread Jiri Kosina
On Mon, 19 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 > > > >

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-19 Thread Michal Hocko
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

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-19 Thread Michal Hocko
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

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-19 Thread Jiri Kosina
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

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-19 Thread Jiri Kosina
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

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-14 Thread Andi Kleen
On Tue, Nov 13, 2018 at 07:49:10PM +0100, Michal Hocko wrote: > From: Michal Hocko > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > whenever the system is deemed affected by L1TF vulnerability. Even > though the limit is quite high for most deployments it seems to be > too

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-14 Thread Andi Kleen
On Tue, Nov 13, 2018 at 07:49:10PM +0100, Michal Hocko wrote: > From: Michal Hocko > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > whenever the system is deemed affected by L1TF vulnerability. Even > though the limit is quite high for most deployments it seems to be > too

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Michal Hocko
On Tue 13-11-18 20:56:54, Jiri Kosina wrote: > On Tue, 13 Nov 2018, Michal Hocko wrote: > > > From: Michal Hocko > > > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > > whenever the system is deemed affected by L1TF vulnerability. Even > > though the limit is quite high

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Michal Hocko
On Tue 13-11-18 20:56:54, Jiri Kosina wrote: > On Tue, 13 Nov 2018, Michal Hocko wrote: > > > From: Michal Hocko > > > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > > whenever the system is deemed affected by L1TF vulnerability. Even > > though the limit is quite high

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Jiri Kosina
On Tue, 13 Nov 2018, Michal Hocko wrote: > From: Michal Hocko > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > whenever the system is deemed affected by L1TF vulnerability. Even > though the limit is quite high for most deployments it seems to be > too restrictive for

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Jiri Kosina
On Tue, 13 Nov 2018, Michal Hocko wrote: > From: Michal Hocko > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > whenever the system is deemed affected by L1TF vulnerability. Even > though the limit is quite high for most deployments it seems to be > too restrictive for

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Pavel Tatashin
On 18-11-13 19:49:10, Michal Hocko wrote: > From: Michal Hocko > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > whenever the system is deemed affected by L1TF vulnerability. Even > though the limit is quite high for most deployments it seems to be > too restrictive for

Re: [PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Pavel Tatashin
On 18-11-13 19:49:10, Michal Hocko wrote: > From: Michal Hocko > > Swap storage is restricted to max_swapfile_size (~16TB on x86_64) > whenever the system is deemed affected by L1TF vulnerability. Even > though the limit is quite high for most deployments it seems to be > too restrictive for

[PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Michal Hocko
From: Michal Hocko Swap storage is restricted to max_swapfile_size (~16TB on x86_64) whenever the system is deemed affected by L1TF vulnerability. Even though the limit is quite high for most deployments it seems to be too restrictive for deployments which are willing to live with the mitigation

[PATCH] l1tf: drop the swap storage limit restriction when l1tf=off

2018-11-13 Thread Michal Hocko
From: Michal Hocko Swap storage is restricted to max_swapfile_size (~16TB on x86_64) whenever the system is deemed affected by L1TF vulnerability. Even though the limit is quite high for most deployments it seems to be too restrictive for deployments which are willing to live with the mitigation