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Re: [Qemu-devel] [PATCH] linux-user/syscall.c: Don't warn about unimplem


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH] linux-user/syscall.c: Don't warn about unimplemented get_robust_list
Date: Fri, 08 Feb 2013 11:50:12 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2

On 2013-02-08 06:34, Peter Maydell wrote:
The nature of the kernel ABI for the get_robust_list and set_robust_list
syscalls means we cannot implement them in QEMU. Make get_robust_list
silently return ENOSYS rather than using the default "print message and
then fail ENOSYS" code path, in the same way we already do for
set_robust_list, and add a comment documenting why we do this.

This silences warnings which were being produced for emulating
even trivial programs like 'ls' in x86-64-on-x86-64.

Signed-off-by: Peter Maydell<address@hidden>
---
  linux-user/syscall.c |   15 ++++++++++++++-
  1 file changed, 14 insertions(+), 1 deletion(-)

Reviewed-by: Richard Henderson <address@hidden>


r~



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