From: Christoph Hellwig <hch@infradead.org>
To: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 10/27] ptrace: generic resume
Date: Sun, 25 Nov 2007 22:23:52 +0000 [thread overview]
Message-ID: <20071125222352.GB1597@infradead.org> (raw)
In-Reply-To: <20071125220109.10BC726F8C5@magilla.localdomain>
On Sun, Nov 25, 2007 at 02:01:09PM -0800, Roland McGrath wrote:
> This makes ptrace_request handle all the ptrace requests that wake
> up the traced task. These do low-level ptrace implementation magic
> that is not arch-specific and should be kept out of arch code. The
> implementations on each arch usually do the same thing. The new
> generic code makes use of the arch_has_single_step macro and generic
> entry points to handle PTRACE_SINGLESTEP.
Nice, I've been trying to get people to move this to common code for
a while :)
> +#ifdef PTRACE_SINGLESTEP
> +#define is_singlestep(request) ((request) == PTRACE_SINGLESTEP)
> +#else
> +#define is_singlestep(request) 0
> +#endif
> +
> +#ifdef PTRACE_SYSEMU
> +#define is_sysemu_singlestep(request) ((request) == PTRACE_SYSEMU_SINGLESTEP)
> +#else
> +#define is_sysemu_singlestep(request) 0
> +#endif
Could we by any chance just force every architecture using generic code
to implement PTRACE_SINGLESTEP and PTRACE_SYSEMU? This will lead to
both far less messy code and a more consistant user interface.
next prev parent reply other threads:[~2007-11-25 22:24 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-25 21:55 [PATCH 01/27] ptrace: arch_has_single_step 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 [this message]
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
2007-11-27 23:05 ` Roland McGrath
2007-11-27 23:58 ` Ingo Molnar
2007-11-28 0:08 ` Roland McGrath
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20071125222352.GB1597@infradead.org \
--to=hch@infradead.org \
--cc=akpm@linux-foundation.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=roland@redhat.com \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®