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From: Peter Maydell <peter.maydell@linaro.org>
To: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Cc: Igor Mammedov <imammedo@redhat.com>,
	Laurent Vivier <laurent@vivier.eu>,
	Aurelien Jarno <aurelien@aurel32.net>,
	Michael Tokarev <mjt@tls.msk.ru>,
	Riku Voipio <riku.voipio@iki.fi>, Agustin Henze <tin@debian.org>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Debian QEMU Team <pkg-qemu-devel@lists.alioth.debian.org>
Subject: Re: [Qemu-devel] [PATCH 00/24] generalize parsing of cpu_model (part 4)
Date: Thu, 18 Jan 2018 15:41:12 +0000	[thread overview]
Message-ID: <CAFEAcA86cRiz4UgCnagEs8q=c_taa=enJ3ZxA4hN3hPYAMp=Kw@mail.gmail.com> (raw)
In-Reply-To: <1f5614b9-591c-a3f9-c6ce-15d615d13c03@amsat.org>

On 18 January 2018 at 15:31, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
> I disagree on this, since userland binaries are compiled for a specific
> arch/ABI/FPU.
> Even without worrying about the FPU, it is unlikely the "any" cpu can
> run indifferently ARMv6 and ARMv7 binaries.

In practice this works fine. Generally for userspace the Arm
architecture retains backwards compatibility. (This is not the
case for kernel mode, obviously.)

thanks
-- PMM

      reply	other threads:[~2018-01-18 15:41 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-17 15:43 [Qemu-devel] [PATCH 00/24] generalize parsing of cpu_model (part 4) Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 01/24] arm: cpu: add TARGET_DEFAULT_CPU_TYPE macro Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 02/24] alpha: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 03/24] cris: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 04/24] lm32: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 05/24] m68k: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 06/24] microblaze: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 07/24] mips: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 08/24] moxie: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 09/24] nios2: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 10/24] openrisc: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 11/24] ppc: " Igor Mammedov
2018-01-18  0:30   ` David Gibson
2018-01-17 15:43 ` [Qemu-devel] [PATCH 12/24] s390x: " Igor Mammedov
2018-01-17 16:04   ` [Qemu-devel] [qemu-s390x] " David Hildenbrand
2018-01-17 19:20     ` Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 13/24] sh4: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 14/24] sparc: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 15/24] tricore: " Igor Mammedov
2018-01-17 16:34   ` Bastian Koppelmann
2018-01-17 15:43 ` [Qemu-devel] [PATCH 16/24] unicore32: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 17/24] xtensa: cpu: rename XTENSA_DEFAULT_CPU_TYPE to TARGET_DEFAULT_CPU_TYPE Igor Mammedov
2018-01-17 17:35   ` Max Filippov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 18/24] hppa: cpu: add TARGET_DEFAULT_CPU_TYPE macro Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 19/24] tilegx: " Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 20/24] machine: drop MachineState::cpu_model Igor Mammedov
2018-01-18  1:48   ` Eduardo Habkost
2018-01-18 10:10     ` Igor Mammedov
2018-01-18 19:18       ` Eduardo Habkost
2018-01-19 10:14         ` Igor Mammedov
2018-01-19 13:14           ` Eduardo Habkost
2018-01-19 13:39             ` Igor Mammedov
2018-01-19 14:23               ` Eduardo Habkost
2018-01-17 15:43 ` [Qemu-devel] [PATCH 21/24] linux/bsd-user: drop cpu_init() and use cpu_create() instead Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 22/24] cpu: get rid of unused cpu_init() defines Igor Mammedov
2018-01-18  0:28   ` David Gibson
2018-01-18  1:50   ` Eduardo Habkost
2018-01-17 15:43 ` [Qemu-devel] [PATCH 23/24] nios2: 10m50_devboard: replace cpu_model with cpu_type Igor Mammedov
2018-01-17 15:43 ` [Qemu-devel] [PATCH 24/24] cpu: get rid of cpu_generic_init() Igor Mammedov
2018-01-17 16:12 ` [Qemu-devel] [PATCH 00/24] generalize parsing of cpu_model (part 4) Peter Maydell
2018-01-17 19:15   ` Igor Mammedov
2018-01-17 20:30     ` Peter Maydell
2018-01-18 10:43       ` Igor Mammedov
2018-01-18 10:50         ` Peter Maydell
2018-01-18 13:06           ` Igor Mammedov
2018-01-18 13:10             ` Peter Maydell
2018-01-18 13:34               ` Igor Mammedov
2018-01-18 13:36                 ` Peter Maydell
2018-01-18 13:45                   ` Igor Mammedov
2018-01-18 13:49                     ` Peter Maydell
2018-01-18 14:02                       ` Igor Mammedov
2018-01-18 15:31               ` Philippe Mathieu-Daudé
2018-01-18 15:41                 ` Peter Maydell [this message]

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