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Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it
Date 2016-05-10 10:40 +0200
Message-ID <rxbmW-7dG-19@gated-at.bofh.it> (permalink)
References <rkHkD-2hR-23@gated-at.bofh.it> <rxaAz-6l0-55@gated-at.bofh.it> <rxaAz-6l0-53@gated-at.bofh.it>
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On Tuesday 10 May 2016 15:42:07 Zhangjian wrote:
> On 2016/5/6 20:37, Yury Norov wrote:
> > On Fri, May 06, 2016 at 08:16:48PM +0800, Zhangjian (Bamvor) wrote:
> >
> > AFAIR, here we don't shift offset, as it's 64-bit both in user-
> > and kernel-space,
> In your ilp32-2.22 branch, you wrapper mmap to mmap2 in which type of
> offset is off_t. And off_t is 32bit in ilp32, correct?
> "sysdeps/unix/sysv/linux/aarch64/ilp32/mmap64.c"
> /* mmap is provided by mmap as they are the same. */
> void *__mmap (void *__addr, size_t __len, int __prot,
>                       int __flags, int __fd, __off_t __offset)
> {
>     void *result;
>     result = (void *)
>       INLINE_SYSCALL (mmap2, 6, __addr,
>                       __len, __prot, __flags, __fd, __offset);
>     return result;
> }

__off_t should be 'long long' on new architectures, and map
to __kernel_loff_t.

Can you see how it is defined?

	Arnd

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Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-06 14:30 +0200
  Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-10 09:50 +0200
    Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-10 10:00 +0200
    Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-10 10:40 +0200
      Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-10 11:50 +0200
        Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-10 13:50 +0200
          Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-10 14:50 +0200
            Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-10 15:00 +0200
              Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-11 04:10 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-11 10:20 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-11 12:20 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-11 13:20 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-11 17:00 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-12 05:50 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-11 13:00 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it Catalin Marinas <catalin.marinas@arm.com> - 2016-05-11 19:00 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-11 21:40 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table  (in entry.S) to use it Catalin Marinas <catalin.marinas@arm.com> - 2016-05-12 11:20 +0200
                Re: [PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2016-05-12 11:30 +0200

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