On Mon, Jan 29, 2018 at 08:21:08PM +0100, Peter Zijlstra wrote:
> On Mon, Jan 29, 2018 at 12:38:50PM -0600, Josh Poimboeuf wrote:
> > On Tue, Jan 23, 2018 at 04:25:42PM +0100, Peter Zijlstra wrote:
> > > Paravirt emits indirect calls which get flagged by objtool retpoline
> > > checks, annotate it
On Mon, Jan 29, 2018 at 12:38:50PM -0600, Josh Poimboeuf wrote:
> On Tue, Jan 23, 2018 at 04:25:42PM +0100, Peter Zijlstra wrote:
> > Paravirt emits indirect calls which get flagged by objtool retpoline
> > checks, annotate it away because all these indirect calls will be
> > patched out before we
On Tue, Jan 23, 2018 at 04:25:42PM +0100, Peter Zijlstra wrote:
> Paravirt emits indirect calls which get flagged by objtool retpoline
> checks, annotate it away because all these indirect calls will be
> patched out before we start userspace.
There's one condition where this isn't true: the 'nore
On Mon, Jan 29, 2018 at 11:58:58AM -0600, Josh Poimboeuf wrote:
> On Tue, Jan 23, 2018 at 04:25:42PM +0100, Peter Zijlstra wrote:
> > Paravirt emits indirect calls which get flagged by objtool retpoline
> > checks, annotate it away because all these indirect calls will be
> > patched out before we
On Mon, 2018-01-29 at 11:58 -0600, Josh Poimboeuf wrote:
> On Tue, Jan 23, 2018 at 04:25:42PM +0100, Peter Zijlstra wrote:
> >
> > Paravirt emits indirect calls which get flagged by objtool
> > retpoline
> > checks, annotate it away because all these indirect calls will be
> > patched out before w
On Tue, Jan 23, 2018 at 04:25:42PM +0100, Peter Zijlstra wrote:
> Paravirt emits indirect calls which get flagged by objtool retpoline
> checks, annotate it away because all these indirect calls will be
> patched out before we start userspace.
>
> Signed-off-by: Peter Zijlstra (Intel)
> ---
> ar
On Thu, 2018-01-25 at 12:35 +0100, Peter Zijlstra wrote:
> On Thu, Jan 25, 2018 at 10:52:53AM +, David Woodhouse wrote:
> >
> > OK, my brain hurts a bit but I'm happy now. Thank you.
> OK, I've updated the Changelog thusly. Is this satisfactory?
>
> ---
> Subject: x86/paravirt: Annotate indir
On Thu, Jan 25, 2018 at 10:52:53AM +, David Woodhouse wrote:
> OK, my brain hurts a bit but I'm happy now. Thank you.
OK, I've updated the Changelog thusly. Is this satisfactory?
---
Subject: x86/paravirt: Annotate indirect calls
From: Peter Zijlstra
Date: Wed Jan 17 16:58:11 CET 2018
Parav
On Thu, 2018-01-25 at 11:26 +0100, Juergen Gross wrote:
> On 25/01/18 11:22, Peter Zijlstra wrote:
> >
> > On Thu, Jan 25, 2018 at 10:02:05AM +, David Woodhouse wrote:
> > >
> > > On Tue, 2018-01-23 at 16:25 +0100, Peter Zijlstra wrote:
> > > >
> > > > Paravirt emits indirect calls which get
On 25/01/18 11:22, Peter Zijlstra wrote:
> On Thu, Jan 25, 2018 at 10:02:05AM +, David Woodhouse wrote:
>> On Tue, 2018-01-23 at 16:25 +0100, Peter Zijlstra wrote:
>>> Paravirt emits indirect calls which get flagged by objtool retpoline
>>> checks, annotate it away because all these indirect ca
On Thu, Jan 25, 2018 at 10:02:05AM +, David Woodhouse wrote:
> On Tue, 2018-01-23 at 16:25 +0100, Peter Zijlstra wrote:
> > Paravirt emits indirect calls which get flagged by objtool retpoline
> > checks, annotate it away because all these indirect calls will be
> > patched out before we start
On Tue, 2018-01-23 at 16:25 +0100, Peter Zijlstra wrote:
> Paravirt emits indirect calls which get flagged by objtool retpoline
> checks, annotate it away because all these indirect calls will be
> patched out before we start userspace.
I've seen this asserted repeatedly but I've never truly convi
Paravirt emits indirect calls which get flagged by objtool retpoline
checks, annotate it away because all these indirect calls will be
patched out before we start userspace.
Signed-off-by: Peter Zijlstra (Intel)
---
arch/x86/include/asm/paravirt.h | 22 ++
arch/x86/in
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