[MODERATED] Re: [PATCH 1/2] more sampling fun 1

On 20/02/2020 10:07, speck for Borislav Petkov wrote:
> On Thu, Feb 06, 2020 at 02:11:02PM -0800, speck for mark gross wrote:
>> From: mark gross <[email protected]>
>> Subject: [PATCH 1/2] Add capability to specify a range of steppings in the
>>
>> Intel has produced processors with the same CPUID family+model. Code
>> may need to check the stepping when programming model specific behavior.
>>
>> Add an API to allow easy specification of stepping or range of steppings
>> with a 16 bit bitmask.
>>
>> Update cpu_vuln_whitelist using this new API.
>>
>> I implemented this in the way I did to avoid modifying x86_cpu_id as
>> that structure is an exported ABI and any change would impact user mode
>> code using the structure.
>>
>> Signed-off-by: mark gross <[email protected]>
>> Reviewed-by: tony luck <[email protected]>
>> ---
>>  arch/x86/include/asm/cpu_device_id.h | 12 ++++++++++++
>>  arch/x86/kernel/cpu/common.c         | 28 ++++++++++++++--------------
>>  arch/x86/kernel/cpu/match.c          | 26 ++++++++++++++++++++++++++
>>  3 files changed, 52 insertions(+), 14 deletions(-)
> Why isn't this sent to lkml like a normal patch?
>

Because it is under embargo until May 12th.

~Andrew