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Groups > linux.kernel > #1572146
| From | Andy Lutomirski <luto@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures |
| Date | 2017-02-02 06:10 +0100 |
| Message-ID | <t6hOF-7HV-3@gated-at.bofh.it> (permalink) |
| References | <t4zmG-Km-19@gated-at.bofh.it> <t5QY9-7lX-1@gated-at.bofh.it> <t6clX-4e8-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Feb 1, 2017 at 3:12 PM, James Bottomley <James.Bottomley@hansenpartnership.com> wrote: > On Tue, 2017-01-31 at 16:26 -0800, Andrew Morton wrote: >> On Sat, 28 Jan 2017 12:13:10 +0100 Helge Deller <deller@gmx.de> >> wrote: >> >> > The prctl(PR_GET_ENDIAN) syscall was added to Kernel 2.6.18, but >> > implemented for PowerPC only. This trivial patch adds support for >> > this syscall for all other architectures. >> >> Seems reasonable. I guess. Why is this needed? > > I don't think it is other than for PPC. If you're not variable endian > (which is only PPC to date), then you should know a priori what endian > you are from the #defines in userspace. I find it vaguely odd even on PPC. Surely you can tell what your endianness is directly. (An API to query the endianness of another task would be useful, though.)
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Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures Andrew Morton <akpm@linux-foundation.org> - 2017-02-01 01:30 +0100
Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures Helge Deller <deller@gmx.de> - 2017-02-01 20:50 +0100
Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures Andrew Morton <akpm@linux-foundation.org> - 2017-02-01 23:10 +0100
Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-02-02 00:20 +0100
Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures Andy Lutomirski <luto@kernel.org> - 2017-02-02 06:10 +0100
Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures Matt Turner <mattst88@gmail.com> - 2017-02-05 12:50 +0100
Re: [PATCH] prctl: implement PR_GET_ENDIAN for all architectures "Maciej W. Rozycki" <macro@linux-mips.org> - 2017-02-05 14:20 +0100
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