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SubjectRe: [PATCH] x86/asm: Fix inline asm call constraints for GCC 4.4
On 09/29, Ingo Molnar wrote:
>
>* Josh Poimboeuf <jpoimboe@redhat.com> wrote:
>
>> On Thu, Sep 28, 2017 at 04:53:09PM -0700, Linus Torvalds wrote:
>> > On Thu, Sep 28, 2017 at 2:58 PM, Josh Poimboeuf <jpoimboe@redhat.com> wrote:
>> > >
>> > > Reported-by: kernel test robot <xiaolong.ye@intel.com>
>> > > Fixes: f5caf621ee35 ("x86/asm: Fix inline asm call constraints for Clang")
>> > > Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
>> >
>> > Side note: it's not like I personally need the credit, but in general
>> > I really want people to pick up on who debugged the code and pointed
>> > to the solution. That's often more of the work than the fix itself.
>> >
>> > The kernel test robot report looked to be ignored as a "gcc-4.4 is too
>> > old to worry about" thing. People who then step up and analyze the
>> > problem are rare as it is. They need to be credited in the commit
>> > logs.
>> >
>> > We don't have any fixed format for that, but it's pretty free-form. So
>> > we have tags like
>> >
>> > Root-caused-by:
>> > Diagnosed-by:
>> > Analyzed-by:
>> > Debugged-by:
>> > Bisected-by:
>> > Fix-suggested-by:
>> >
>> > etc for giving credit to people who figured out some part of a bug
>> > (and, having grepped for this, we also a _shitload_ of miss-spellings
>> > of various things ;)
>>
>> Indeed, credit is important and I try to give it where it's due. Sorry
>> for the snub! I anoint you with:
>>
>> Debugged-by: Linus Torvalds <torvalds@linux-foundation.org>
>
>When applying the fix I went with:
>
> Diagnosed-by: Linus Torvalds <torvalds@linux-foundation.org>
>
>Because I think 'diagnosing' a bug is a higher category, which implies debugging.
>
>( Sometimes we refer to 'debugging a bug' as the reporter adding printks on
> request and printing out key state that helps understand the bug. It does not
> necessarily imply root-causing the bug. )
>
>Also note that I added a "Reported-and-Bisected-by:" tag for the ktest robot, to
>further credit the fact that in addition to reporting a kernel crash, a specific
>commit was bisected to as well.
>
>I'll wait for another round of ktest robot testing to make sure the crash is
>indeed fixed.

The panic is gone with the fix patch for 4 times test.

Tested-by: Ye Xiaolong <xiaolong.ye@intel.com>

Thanks,
Xiaolong
>
>Thanks,
>
> Ingo

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