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From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Roland McGrath <roland@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 01/27] ptrace: arch_has_single_step
Date: Tue, 27 Nov 2007 11:38:46 +0100	[thread overview]
Message-ID: <20071127103846.GF6286@elte.hu> (raw)
In-Reply-To: <20071127005329.9dfcf473.akpm@linux-foundation.org>


* Andrew Morton <akpm@linux-foundation.org> wrote:

> On Sun, 25 Nov 2007 13:55:07 -0800 (PST) Roland McGrath <roland@redhat.com> wrote:
> 
> > This defines the new macro arch_has_single_step() in linux/ptrace.h, 
> > a default for when asm/ptrace.h does not define it.  It declares the 
> > new user_enable_single_step and user_disable_single_step functions. 
> > This is not used yet, but paves the way to harmonize on this 
> > interface for the arch-specific calls on all machines.
> 
> I think I'll duck this lot for now in view of the (relatively small) 
> amount of followup.
> 
> I did do an experimental will-it-apply and got a tremendous number of 
> rejects against the x86 git tree, almost all of which went away when 
> `patch -l' was used.  Seems that someone has gone on a whitespace 
> rampage through arch/x86/ia32/ptrace32.c and arch/x86/ia32/ptrace64.c.
> 
> That's kinda/sorta OK, but `patch -l' is a bit more inclined to 
> misplace hunks and it's all a bit risky.

actually, Thomas tried a tentative merge two days ago or so and the 
result was pretty OK and functional. I'll try to do a more formal merge 
and see what comes up.

	Ingo

  reply	other threads:[~2007-11-27 10:39 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-25 21:55 Roland McGrath
2007-11-25 21:58 ` [PATCH 02/27] x86: segment selector macros Roland McGrath
2007-11-25 21:58 ` [PATCH 03/27] x86: remove TRAP_FLAG Roland McGrath
2007-11-25 21:59 ` [PATCH 04/27] x86: arch_has_single_step Roland McGrath
2007-11-25 21:59 ` [PATCH 05/27] x86: single_step moved Roland McGrath
2007-11-25 21:59 ` [PATCH 06/27] x86: single_step segment macros Roland McGrath
2007-11-25 22:00 ` [PATCH 07/27] x86: single_step 0xf0 Roland McGrath
2007-11-25 22:00 ` [PATCH 08/27] x86: single_step: share code Roland McGrath
2007-11-25 22:00 ` [PATCH 09/27] x86 single_step: TIF_FORCED_TF Roland McGrath
2007-11-25 22:01 ` [PATCH 10/27] ptrace: generic resume Roland McGrath
2007-11-25 22:23   ` Christoph Hellwig
2007-11-25 22:37     ` Roland McGrath
2007-11-25 22:01 ` [PATCH 11/27] x86-64: ptrace " Roland McGrath
2007-11-25 22:01 ` [PATCH 12/27] x86-32: " Roland McGrath
2007-11-25 22:03 ` [PATCH 13/27] powerpc: arch_has_single_step Roland McGrath
2007-11-25 22:04 ` [PATCH 14/27] powerpc: ptrace generic resume Roland McGrath
2007-12-03  8:12   ` Srinivasa Ds
2007-11-25 22:04 ` [PATCH 15/27] x86-32 ptrace: use task_pt_regs Roland McGrath
2007-11-25 22:04 ` [PATCH 16/27] x86-64 " Roland McGrath
2007-11-25 22:04 ` [PATCH 17/27] x86-64 ptrace debugreg cleanup Roland McGrath
2007-11-25 22:05 ` [PATCH 18/27] x86-64 ia32 " Roland McGrath
2007-11-25 22:05 ` [PATCH 19/27] x86-32 " Roland McGrath
2007-11-25 22:05 ` [PATCH 20/27] ptrace: arch_has_block_step Roland McGrath
2007-11-28 23:39   ` David Wilder
2007-11-28 23:58     ` Roland McGrath
2007-11-25 22:06 ` [PATCH 21/27] ptrace: generic PTRACE_SINGLEBLOCK Roland McGrath
2007-11-25 22:06 ` [PATCH 22/27] x86: debugctlmsr constants Roland McGrath
2007-11-25 22:08 ` [PATCH 23/27] x86: debugctlmsr kconfig Roland McGrath
2007-11-26  1:09   ` Denys Vlasenko
2007-11-26  7:51     ` Roland McGrath
2007-11-26 22:52       ` Denys Vlasenko
2007-11-26  1:57   ` Dave Jones
2007-11-26  8:06     ` Roland McGrath
2007-11-25 22:08 ` [PATCH 24/27] x86: debugctlmsr context switch Roland McGrath
2007-11-25 22:08 ` [PATCH 25/27] x86: debugctlmsr arch_has_block_step Roland McGrath
2007-11-25 22:08 ` [PATCH 26/27] x86: debugctlmsr kprobes Roland McGrath
2007-11-25 22:08 ` [PATCH 27/27] x86: PTRACE_SINGLEBLOCK Roland McGrath
2007-11-25 22:22 ` [PATCH 01/27] ptrace: arch_has_single_step Christoph Hellwig
2007-11-25 22:59   ` Roland McGrath
2007-11-27  8:53 ` Andrew Morton
2007-11-27 10:38   ` Ingo Molnar [this message]
2007-11-27 23:05   ` Roland McGrath
2007-11-27 23:58     ` Ingo Molnar
2007-11-28  0:08       ` Roland McGrath

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