V2 [PATCH] x86/CET: Document glibc.tune.x86_ibt and glibc.tune.x86_shstk

[H.J. Lu]

On Wed, Jul 18, 2018 at 9:55 AM, Rical Jasan <rj@2c3t.io> wrote:
> On 07/18/2018 09:44 AM, H.J. Lu wrote:
> ...
>> diff --git a/manual/tunables.texi b/manual/tunables.texi
>> index be33c9fc79..13426ce238 100644
>> --- a/manual/tunables.texi
>> +++ b/manual/tunables.texi
>> @@ -356,3 +356,31 @@ to set threshold in bytes for non temporal store.
>>
>>  This tunable is specific to i386 and x86-64.
>>  @end deftp
>> +
>> +@deftp Tunable glibc.tune.x86_ibt
>> +The @code{glibc.tune.x86_ibt=[on|off|permissive]} tunable allows the user
>
> I meant to just use @code{glibc.tune.x86_ibt} here, and then list the
> options after, like you did below.

Fixed.

>> +to control how indirect branch tracking (IBT) should be enabled.  Accepted
>> +values are @code{on}, @code{off}, and @code{permissive}.  @code{on} always
>> +turns on IBT regardless of whether IBT is enabled in the executable and
>> +its dependent shared libraries.  @code{off} always turns off IBT regardless
>> +of whether IBT is enabled in the executable and its dependent shared
>> +libraries.  @code{permissive} is the same as the default which disables
>> +IBT on non-CET executables and shared libraries.
>> +
>> +This tunable is specific to i386 and x86-64.
>> +@end deftp
>> +
>> +@deftp Tunable glibc.tune.x86_shstk
>> +The @code{glibc.tune.x86_shstk=[on|off|permissive]} tunable allows the
>
> And here.

Fixed.

Here is the updated patch.  OK for master?

Thanks.

-- 
H.J.
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