linux-kernel - Re: [llvmlinux] percpu | bitmap issue? (Cannot boot on bare metal due to a kernel NULL pointer dereference)

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Message-ID: <CA+icZUU4rgvxGwBN4CwFbJ6Gk4ZGxyrqU77vDkfP8gK9su0_Cg@mail.gmail.com>
Date:	Mon, 14 Sep 2015 12:22:24 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Peter Zijlstra <peterz@...radead.org>, Baoquan He <bhe@...hat.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Thomas Graf <tgraf@...g.ch>,
	"the arch/x86 maintainers" <x86@...nel.org>,
	llvmlinux@...ts.linuxfoundation.org
Subject: Re: [llvmlinux] percpu | bitmap issue? (Cannot boot on bare metal due
 to a kernel NULL pointer dereference)

On Mon, Sep 14, 2015 at 11:59 AM, Ingo Molnar <mingo@...nel.org> wrote:
>
> * Sedat Dilek <sedat.dilek@...il.com> wrote:
>
>> From my side... How can the correbolation be improved...?
>
> The best workflow would be for someone to send patches that are considered clean
> enough.
>

What do you mean by "patches that are considered clean"?

"Clean" in the sense of is-not-a-hackery and/or
patch-does-not-follow-Linux-kernel-development-guidelines [1]?

[ EXAMPLES ]

[ commit subject-line ]

Like a "meaningful" subject-line...
I have seen patches which did not use commonly-used labels, like "x86/weight:".
( 'git log /path/to/file' tells someone how other's did it. )

[ commit message ]

Personally, I did not like the embedded commit-messages (change-log) -
it was sometimes not very helpful.
Helpful would be hints to a discussion thread (ML), bug-no in BTS,
output of a BROKEN build, etc.

...

Oh, if we all would follow Peter H. blog-article "On commit messages" [2].
( /me dreams of a better world. )

- Sedat -

[1] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/SubmittingPatches
[2] http://who-t.blogspot.de/2009/12/on-commit-messages.html
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