Daniel Axtens's on March 11, 2020 9:03 am:
So:
- change the test when setting up a PACA to consider the actual value of
the MSR rather than the CPU feature.
- move the PACA setup to before the cpu feature parsing.
>>>
>>> Hmm. Problem is that equally we want PACA to
>>> So:
>>> - change the test when setting up a PACA to consider the actual value of
>>>the MSR rather than the CPU feature.
>>>
>>> - move the PACA setup to before the cpu feature parsing.
>>
>> Hmm. Problem is that equally we want PACA to be sane before we call too
>> far into the rest of
Nicholas Piggin writes:
> Daniel Axtens's on March 6, 2020 5:30 pm:
>> kcov instrumentation is collected the __sanitizer_cov_trace_pc hook in
>> kernel/kcov.c. The compiler inserts these hooks into every basic block
>> unless kcov is disabled for that file.
>>
>> We then have a deep call-chain:
Daniel Axtens's on March 6, 2020 5:30 pm:
> kcov instrumentation is collected the __sanitizer_cov_trace_pc hook in
> kernel/kcov.c. The compiler inserts these hooks into every basic block
> unless kcov is disabled for that file.
>
> We then have a deep call-chain:
> - __sanitizer_cov_trace_pc
Andrew Donnellan writes:
> On 6/3/20 6:30 pm, Daniel Axtens wrote:
>> kcov instrumentation is collected the __sanitizer_cov_trace_pc hook in
>> kernel/kcov.c. The compiler inserts these hooks into every basic block
>> unless kcov is disabled for that file.
>>
>> We then have a deep call-chain:
On 6/3/20 6:30 pm, Daniel Axtens wrote:
kcov instrumentation is collected the __sanitizer_cov_trace_pc hook in
kernel/kcov.c. The compiler inserts these hooks into every basic block
unless kcov is disabled for that file.
We then have a deep call-chain:
- __sanitizer_cov_trace_pc calls to
kcov instrumentation is collected the __sanitizer_cov_trace_pc hook in
kernel/kcov.c. The compiler inserts these hooks into every basic block
unless kcov is disabled for that file.
We then have a deep call-chain:
- __sanitizer_cov_trace_pc calls to check_kcov_mode()
- check_kcov_mode()
