Re: [PSEUDOPATCH] rename is_compat_task

From	Al Viro <viro@ZenIV.linux.org.uk>
Newsgroups	linux.kernel
Subject	Re: [PSEUDOPATCH] rename is_compat_task
Date	2015-12-08 00:50 +0100
Message-ID	<qDdHz-2YK-13@gated-at.bofh.it> (permalink)
References	<qDdex-2Of-5@gated-at.bofh.it> <qDdex-2Of-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Dec 08, 2015 at 12:16:51AM +0100, Arnd Bergmann wrote:

> As far as I know, x86 is the special case here, on all other architectures,
> this actually checks the task, and it's impossible to call a system call
> of the other kind.

sparc uses
	ta 0x10
for 32bit syscalls and
	ta 0x6d
for 64bit ones.  And yes, the same process can call both just fine.
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Thread

[PSEUDOPATCH] rename is_compat_task Andy Lutomirski <luto@amacapital.net> - 2015-12-08 00:20 +0100
  Re: [PSEUDOPATCH] rename is_compat_task Arnd Bergmann <arnd@arndb.de> - 2015-12-08 00:20 +0100
    Re: [PSEUDOPATCH] rename is_compat_task Andy Lutomirski <luto@amacapital.net> - 2015-12-08 00:30 +0100
    Re: [PSEUDOPATCH] rename is_compat_task Al Viro <viro@ZenIV.linux.org.uk> - 2015-12-08 00:50 +0100
    Re: [PSEUDOPATCH] rename is_compat_task Ingo Molnar <mingo@kernel.org> - 2015-12-08 05:40 +0100
      Re: [PSEUDOPATCH] rename is_compat_task Al Viro <viro@ZenIV.linux.org.uk> - 2015-12-08 05:50 +0100
        Re: [PSEUDOPATCH] rename is_compat_task Ingo Molnar <mingo@kernel.org> - 2015-12-08 06:10 +0100
          Re: [PSEUDOPATCH] rename is_compat_task Al Viro <viro@ZenIV.linux.org.uk> - 2015-12-08 06:20 +0100
            Re: [PSEUDOPATCH] rename is_compat_task Andy Lutomirski <luto@amacapital.net> - 2015-12-08 07:00 +0100

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