> On Feb 11, 2019, at 2:47 PM, Andy Lutomirski wrote:
>
> On Mon, Feb 11, 2019 at 11:18 AM Nadav Amit wrote:
>>
>> +
>> + /*
>> +* If breakpoints are enabled, disable them while the temporary mm is
>> +* used - they do not belong and might cause wrong signals or
>> crashe
On Mon, Feb 11, 2019 at 11:18 AM Nadav Amit wrote:
>
> > On Feb 11, 2019, at 11:07 AM, Andy Lutomirski wrote:
> >
> > I'm certainly amenable to other solutions, but this one does seem the
> > least messy. I looked at my old patch, and it doesn't do what you
> > want. I'd suggest you just add a
> On Feb 11, 2019, at 11:07 AM, Andy Lutomirski wrote:
>
> I'm certainly amenable to other solutions, but this one does seem the
> least messy. I looked at my old patch, and it doesn't do what you
> want. I'd suggest you just add a percpu variable like cpu_dr7 and rig
> up some accessors so tha
On Mon, Feb 11, 2019 at 10:05 AM Nadav Amit wrote:
>
> > On Feb 10, 2019, at 9:18 PM, Andy Lutomirski wrote:
> >
> >
> >
> > On Feb 10, 2019, at 4:39 PM, Nadav Amit wrote:
> >
> >>> On Jan 28, 2019, at 4:34 PM, Rick Edgecombe
> >>> wrote:
> >>>
> >>> From: Nadav Amit
> >>>
> >>> To prevent im
> On Feb 10, 2019, at 9:18 PM, Andy Lutomirski wrote:
>
>
>
> On Feb 10, 2019, at 4:39 PM, Nadav Amit wrote:
>
>>> On Jan 28, 2019, at 4:34 PM, Rick Edgecombe
>>> wrote:
>>>
>>> From: Nadav Amit
>>>
>>> To prevent improper use of the PTEs that are used for text patching, we
>>> want to u
On Feb 10, 2019, at 4:39 PM, Nadav Amit wrote:
>> On Jan 28, 2019, at 4:34 PM, Rick Edgecombe
>> wrote:
>>
>> From: Nadav Amit
>>
>> To prevent improper use of the PTEs that are used for text patching, we
>> want to use a temporary mm struct. We initailize it by copying the init
>> mm.
>>
> On Jan 28, 2019, at 4:34 PM, Rick Edgecombe
> wrote:
>
> From: Nadav Amit
>
> To prevent improper use of the PTEs that are used for text patching, we
> want to use a temporary mm struct. We initailize it by copying the init
> mm.
>
> The address that will be used for patching is taken from
Just nitpicks:
Subject: [PATCH v2 05/20] x86/alternative: initializing temporary mm for
patching
s/initailizing/Initialize/
On Mon, Jan 28, 2019 at 04:34:07PM -0800, Rick Edgecombe wrote:
> From: Nadav Amit
>
> To prevent improper use of the PTEs that are used for text patching, we
From: Nadav Amit
To prevent improper use of the PTEs that are used for text patching, we
want to use a temporary mm struct. We initailize it by copying the init
mm.
The address that will be used for patching is taken from the lower area
that is usually used for the task memory. Doing so prevents
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