All of lore.kernel.org
 help / color / mirror / Atom feed
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Richard Weinberger <richard@nod.at>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Vineet Gupta <vgupta@synopsys.com>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	hskinnemoen@gmail.com,
	Hans-Christian Egtvedt <egtvedt@samfundet.no>,
	Miao Steven <realmz6@gmail.com>, Mark Salter <msalter@redhat.com>,
	"JACQUIOT-XID, Aurelien" <a-jacquiot@ti.com>,
	Mikael Starvik <starvik@axis.com>,
	Jesper Nilsson <jesper.nilsson@axis.com>,
	David Howells <dhowells@redhat.com>,
	Richard Kuo <rkuo@codeaurora.org>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Geert Uytterhoeven <geert@linux>
Subject: Re: Remove execution domain support
Date: Sun, 12 Apr 2015 09:25:17 +1000	[thread overview]
Message-ID: <1428794717.18187.174.camel@kernel.crashing.org> (raw)
In-Reply-To: <55298E4F.50502@nod.at>

On Sat, 2015-04-11 at 23:12 +0200, Richard Weinberger wrote:
> Am 11.04.2015 um 22:52 schrieb Linus Torvalds:
> > On Sat, Apr 11, 2015 at 1:47 PM, Richard Weinberger <richard@nod.at> wrote:
> >>
> >> The removal will make architecutre specific signal handling easier
> >> and there is no need to keep execuction domains as this feature is
> >> obviously incomplete and abandoned
> > 
> > Ack. The whole exec domain made some code code pretty inscrutable.
> > 
> > So I'd certainly be willing to pull this during the 4.1 merge window
> > if nobody complains.
> > 
> > Anybody?
> 
> It would be great to have an Ack from sparc folks.
> I had to recalculate the values of their TI_* constants
> and I don't have a sparc box to test it.

That's what qemu is for :-)

> Using asm-offsets.c for that seems to be impossible on sparc
> as sparc's asm-offsets.c depends on sched.h which depends again
> on thread_info.h...
> Resolving this circular dependency without the ability to run-time
> test my changes was too risky for me.
> 
> Thanks,
> //richard
> --
> To unsubscribe from this list: send the line "unsubscribe linux-arch" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Richard Weinberger <richard@nod.at>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Richard Henderson <rth@twiddle.net>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Vineet Gupta <vgupta@synopsys.com>,
	Russell King - ARM Linux <linux@arm.linux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	hskinnemoen@gmail.com,
	Hans-Christian Egtvedt <egtvedt@samfundet.no>,
	Miao Steven <realmz6@gmail.com>, Mark Salter <msalter@redhat.com>,
	"JACQUIOT-XID, Aurelien" <a-jacquiot@ti.com>,
	Mikael Starvik <starvik@axis.com>,
	Jesper Nilsson <jesper.nilsson@axis.com>,
	David Howells <dhowells@redhat.com>,
	Richard Kuo <rkuo@codeaurora.org>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	James Hogan <james.hogan@imgtec.com>,
	Michal Simek <monstr@monstr.eu>,
	Ralf Baechle <ralf@linux-mips.org>,
	Ley Foon Tan <lftan@altera.com>, Jonas Bonn <jonas@southpole.se>,
	"James E.J. Bottomley" <jejb@parisc-linux.org>,
	Helge Deller <deller@gmx.de>, Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	liqin.linux@gmail.com, Lennox Wu <lennox.wu@gmail.com>,
	David Miller <davem@davemloft.net>,
	cmetcalf@ezchip.com, Jeff Dike <jdike@addtoit.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Christoph Hellwig <hch@infradead.org>,
	Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: Remove execution domain support
Date: Sun, 12 Apr 2015 09:25:17 +1000	[thread overview]
Message-ID: <1428794717.18187.174.camel@kernel.crashing.org> (raw)
Message-ID: <20150411232517.zjf3Au4ZZA8scXgUj3qkQso86vBvnNoJajeu9v6-NkM@z> (raw)
In-Reply-To: <55298E4F.50502@nod.at>

On Sat, 2015-04-11 at 23:12 +0200, Richard Weinberger wrote:
> Am 11.04.2015 um 22:52 schrieb Linus Torvalds:
> > On Sat, Apr 11, 2015 at 1:47 PM, Richard Weinberger <richard@nod.at> wrote:
> >>
> >> The removal will make architecutre specific signal handling easier
> >> and there is no need to keep execuction domains as this feature is
> >> obviously incomplete and abandoned
> > 
> > Ack. The whole exec domain made some code code pretty inscrutable.
> > 
> > So I'd certainly be willing to pull this during the 4.1 merge window
> > if nobody complains.
> > 
> > Anybody?
> 
> It would be great to have an Ack from sparc folks.
> I had to recalculate the values of their TI_* constants
> and I don't have a sparc box to test it.

That's what qemu is for :-)

> Using asm-offsets.c for that seems to be impossible on sparc
> as sparc's asm-offsets.c depends on sched.h which depends again
> on thread_info.h...
> Resolving this circular dependency without the ability to run-time
> test my changes was too risky for me.
> 
> Thanks,
> //richard
> --
> To unsubscribe from this list: send the line "unsubscribe linux-arch" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html



  parent reply	other threads:[~2015-04-11 23:28 UTC|newest]

Thread overview: 88+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-11 20:47 Remove execution domain support Richard Weinberger
2015-04-11 20:47 ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 01/24] arm: Remove RISC OS personality Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 02/24] ia64: Remove Linux/x86 exec domain support Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 03/24] Remove execution " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 04/24] arm: Remove signal translation and exec_domain Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 05/24] arm64: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-13 13:52   ` Thierry Reding
2015-04-13 13:52     ` Thierry Reding
2015-04-11 20:47 ` [PATCH 06/24] blackfin: Autogenerate offsets in struct thread_info Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 07/24] blackfin: Remove exec_domain usage Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 08/24] frv: Remove signal translation and exec_domain Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 09/24] m32r: Autogenerate offsets in struct thread_info Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 10/24] m32r: Remove signal translation and exec_domain Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 11/24] m68k: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-14  7:48   ` Geert Uytterhoeven
2015-04-14  7:48     ` Geert Uytterhoeven
2015-04-11 20:47 ` [PATCH 12/24] microblaze: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 13/24] mn10300: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 14/24] s390: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 15/24] sh: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 16/24] sparc: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 17/24] tile: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 18/24] um: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 19/24] unicore32: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:47 ` [PATCH 20/24] x86: " Richard Weinberger
2015-04-11 20:47   ` Richard Weinberger
2015-04-11 20:48 ` [PATCH 21/24] xtensa: " Richard Weinberger
2015-04-11 20:48   ` Richard Weinberger
2015-04-11 20:48 ` [PATCH 22/24] arc: " Richard Weinberger
2015-04-11 20:48   ` Richard Weinberger
2015-04-11 20:48 ` [PATCH 23/24] arch: Remove exec_domain from remaining archs Richard Weinberger
2015-04-11 20:48   ` Richard Weinberger
2015-04-13  8:19   ` Jesper Nilsson
2015-04-13  8:19     ` Jesper Nilsson
2015-04-13 16:57   ` Hans-Christian Egtvedt
2015-04-13 16:57     ` Hans-Christian Egtvedt
2015-04-11 20:48 ` [PATCH 24/24] Remove rest of exec domains Richard Weinberger
2015-04-11 20:48   ` Richard Weinberger
2015-04-11 20:52 ` Remove execution domain support Linus Torvalds
2015-04-11 20:52   ` Linus Torvalds
2015-04-11 21:04   ` Al Viro
2015-04-11 21:04     ` Al Viro
2015-04-11 21:08     ` Richard Weinberger
2015-04-11 21:08       ` Richard Weinberger
2015-04-11 21:12   ` Richard Weinberger
2015-04-11 21:12     ` Richard Weinberger
2015-04-11 22:31     ` David Miller
2015-04-11 22:31       ` David Miller
2015-04-11 23:25     ` Benjamin Herrenschmidt [this message]
2015-04-11 23:25       ` Benjamin Herrenschmidt
2015-04-11 23:30   ` Stephen Rothwell
2015-04-11 23:30     ` Stephen Rothwell
2015-04-12  0:06     ` Stephen Rothwell
2015-04-12  0:06       ` Stephen Rothwell
2015-04-12  2:03 ` Guenter Roeck
2015-04-12 20:57 ` Remove execution domain support v2 Richard Weinberger
2015-04-12 20:57   ` Richard Weinberger
2015-04-12 21:13   ` Stephen Rothwell
2015-04-12 21:13     ` Stephen Rothwell
2015-04-12 21:17     ` Richard Weinberger
2015-04-12 21:17       ` Richard Weinberger
2015-04-12 21:56       ` Linus Torvalds
2015-04-12 21:56         ` Linus Torvalds
2015-04-12 22:06         ` Richard Weinberger
2015-04-12 22:06           ` Richard Weinberger
2015-04-12 22:57   ` Guenter Roeck
2015-04-12 22:57     ` Guenter Roeck
2015-04-14  1:21 ` Remove execution domain support Andy Lutomirski

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=1428794717.18187.174.camel@kernel.crashing.org \
    --to=benh@kernel.crashing.org \
    --cc=a-jacquiot@ti.com \
    --cc=catalin.marinas@arm.com \
    --cc=dhowells@redhat.com \
    --cc=egtvedt@samfundet.no \
    --cc=fenghua.yu@intel.com \
    --cc=geert@linux \
    --cc=hskinnemoen@gmail.com \
    --cc=ink@jurassic.park.msu.ru \
    --cc=jesper.nilsson@axis.com \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=mattst88@gmail.com \
    --cc=msalter@redhat.com \
    --cc=realmz6@gmail.com \
    --cc=richard@nod.at \
    --cc=rkuo@codeaurora.org \
    --cc=rth@twiddle.net \
    --cc=starvik@axis.com \
    --cc=tony.luck@intel.com \
    --cc=torvalds@linux-foundation.org \
    --cc=vgupta@synopsys.com \
    --cc=will.deacon@arm.com \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.