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Re: [Qemu-arm] recvfrom error with linux-user emulating armhf on aarch64
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From: |
Laurent Vivier |
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Subject: |
Re: [Qemu-arm] recvfrom error with linux-user emulating armhf on aarch64 |
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Date: |
Tue, 23 Jan 2018 16:10:59 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
Le 23/01/2018 à 15:42, Philippe Mathieu-Daudé a écrit :
...
> Laurent, in do_syscall() should we swap the pid back?
>
> @@ -10628,4 +10628,5 @@ abi_long do_syscall(...
> target_header->version = tswap32(header.version);
> + target_header->pid = tswap32(header.pid);
> unlock_user_struct(target_header, arg1, 1);
>
The kernel doesn't change it, so we don't need to update it.
(CC: Peter as he wrote the capget/capset code)
Thanks,
Laurent
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