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Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal return

From Catalin Marinas <catalin.marinas@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal return
Date 2016-04-29 18:10 +0200
Message-ID <rtj9o-xI-3@gated-at.bofh.it> (permalink)
References <rkHkD-2hR-23@gated-at.bofh.it> <rkHuj-2lA-45@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Apr 06, 2016 at 01:08:46AM +0300, Yury Norov wrote:
> ILP32 VDSO exports next symbols:
>  __kernel_rt_sigreturn;
>  __kernel_gettimeofday;
>  __kernel_clock_gettime;
>  __kernel_clock_getres;

[...]

> +$(obj)/gettimeofday-ilp32.o: $(src)/../vdso/gettimeofday.S
> +	$(call if_changed_dep,vdso-ilp32as)

Are struct timeval and timespec the same between ILP32 and LP64? For
example, __kernel_gettimeofday() assumes TVAL_TV_SEC offset defined in
asm-offsets.c based on the LP64 timeval.

> +$(obj)/sigreturn-ilp32.o: $(src)/../vdso/sigreturn.S
> +	$(call if_changed_dep,vdso-ilp32as)

This one should be fine because ILP32 uses the same generic
__NR_rt_sigreturn syscall number.

-- 
Catalin

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Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return Catalin Marinas <catalin.marinas@arm.com> - 2016-04-29 18:10 +0200
  Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal return Arnd Bergmann <arnd@arndb.de> - 2016-04-29 19:40 +0200
    Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal return Arnd Bergmann <arnd@arndb.de> - 2016-05-03 11:10 +0200
      Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-03 13:20 +0200
        Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-03 14:50 +0200
          Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return Yury Norov <ynorov@caviumnetworks.com> - 2016-05-05 00:00 +0200
            Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal return Andrew Pinski <pinskia@gmail.com> - 2016-05-05 01:30 +0200
              Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-05 04:30 +0200
                Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal return Andrew Pinski <pinskia@gmail.com> - 2016-05-05 08:50 +0200
                Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2016-05-09 12:20 +0200
          Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return Yury Norov <ynorov@caviumnetworks.com> - 2016-05-05 10:30 +0200
    Re: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal  return Catalin Marinas <catalin.marinas@arm.com> - 2016-05-03 11:10 +0200

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