linux-kernel - Re: linux-next: manual merge of the tiny tree with the tip tree

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Message-ID: <20140923054328.GA28790@gmail.com>
Date:	Tue, 23 Sep 2014 07:43:28 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Josh Triplett <josh@...htriplett.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Oleg Nesterov <oleg@...hat.com>
Subject: Re: linux-next: manual merge of the tiny tree with the tip tree


* Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi Josh,
> 
> Today's linux-next merge of the tiny tree got conflicts in
> arch/x86/kernel/process_32.c and arch/x86/kernel/process_64.c between
> commits dc56c0f9b870 ("x86, fpu: Shift "fpu_counter = 0" from
> copy_thread() to arch_dup_task_struct()") and 6f46b3aef003 ("x86:
> copy_thread: Don't nullify ->ptrace_bps twice") from the tip tree and
> commits a1cf09f93e66 ("x86: process: Unify 32-bit and 64-bit
> copy_thread I/O bitmap handling") and e4a191d1e05b ("x86: Support
> compiling out userspace I/O (iopl and ioperm)") from the tiny tree.

Why are such changes in the 'tiny' tree? These are sensitive 
arch/x86 files, and any unification and compilation-out support 
patches need to go through the proper review channels and be 
merged upstream via the x86 tree if accepted...

In particular the graticious sprinking of #ifdef 
CONFIG_X86_IOPORTs around x86 code looks ugly.

Josh, don't do that, this route is really unacceptable. Please 
resubmit the latest patches and remove these from linux-next.

Thanks,

	Ingo
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