On Thu, 2021-03-25 at 19:19 -0400, Sasha Levin wrote:
> On Thu, Mar 25, 2021 at 04:36:55PM -0400, Sasha Levin wrote:
> > On Thu, Mar 25, 2021 at 09:09:42PM +0100, Borislav Petkov wrote:
> > > Hi stable folks,
> > >
> > > the patch below fixes kernels 4.4 and 4.9 booting on AMD platforms with
> >
On Thu, Mar 25, 2021 at 04:36:55PM -0400, Sasha Levin wrote:
On Thu, Mar 25, 2021 at 09:09:42PM +0100, Borislav Petkov wrote:
Hi stable folks,
the patch below fixes kernels 4.4 and 4.9 booting on AMD platforms with
PCID support. It doesn't have an upstream counterpart because it patches
the
On Thu, Mar 25, 2021 at 09:09:42PM +0100, Borislav Petkov wrote:
Hi stable folks,
the patch below fixes kernels 4.4 and 4.9 booting on AMD platforms with
PCID support. It doesn't have an upstream counterpart because it patches
the KAISER code which didn't go upstream. It applies fine to both of
: Borislav Petkov
Date: Thu, 25 Mar 2021 11:02:31 +0100
Subject: [PATCH] x86/tlb: Flush global mappings when KAISER is disabled
Jim Mattson reported that Debian 9 guests using a 4.9-stable kernel
are exploding during alternatives patching:
kernel BUG at
/build/linux-dqnRSc/linux-4.9.228/arch/x86
On Thu, Mar 25, 2021 at 9:33 AM Hugh Dickins wrote:
>
> On Thu, 25 Mar 2021, Borislav Petkov wrote:
>
> > Ok,
> >
> > I tried to be as specific as possible in the commit message so that we
> > don't forget. Please lemme know if I've missed something.
> >
> > Babu, Jim, I'd appreciate it if you
On Thu, 25 Mar 2021, Borislav Petkov wrote:
> Ok,
>
> I tried to be as specific as possible in the commit message so that we
> don't forget. Please lemme know if I've missed something.
>
> Babu, Jim, I'd appreciate it if you ran this to confirm.
>
> Thx.
>
> ---
> From: Borislav Petkov
>
On 3/25/21 5:29 AM, Borislav Petkov wrote:
> Ok,
>
> I tried to be as specific as possible in the commit message so that we
> don't forget. Please lemme know if I've missed something.
>
> Babu, Jim, I'd appreciate it if you ran this to confirm.
>
> Thx.
>
> ---
> From: Borislav Petkov
>
On 25/03/21 11:29, Borislav Petkov wrote:
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index f5ca15622dc9..2bfa4deb8cae 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -245,12 +245,15 @@ static inline void
Ok,
I tried to be as specific as possible in the commit message so that we
don't forget. Please lemme know if I've missed something.
Babu, Jim, I'd appreciate it if you ran this to confirm.
Thx.
---
From: Borislav Petkov
Date: Thu, 25 Mar 2021 11:02:31 +0100
Jim Mattson reported that Debian
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