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From:   Florian Weimer <fweimer@redhat.com>
To:     Piotr Figiel <figiel@google.com>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        mathieu.desnoyers@efficios.com, peterz@infradead.org,
        paulmck@kernel.org, boqun.feng@gmail.com, oleg@redhat.com,
        Alexey Dobriyan <adobriyan@gmail.com>,
        Andrei Vagin <avagin@gmail.com>, linux-kernel@vger.kernel.org,
        posk@google.com, kyurtsever@google.com, ckennelly@google.com,
        pjt@google.com, emmir@google.com, linux-man@vger.kernel.org,
        linux-api@vger.kernel.org
Subject: Re: [PATCH] ptrace: add PTRACE_GET_RSEQ_CONFIGURATION request
References: <20210222100443.4155938-1-figiel@google.com>
Date:   Tue, 23 Feb 2021 17:15:08 +0100
In-Reply-To: <20210222100443.4155938-1-figiel@google.com> (Piotr Figiel's
        message of "Mon, 22 Feb 2021 11:04:43 +0100")
Message-ID: <878s7ewyk3.fsf@oldenburg.str.redhat.com>
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* Piotr Figiel:

> diff --git a/include/uapi/linux/ptrace.h b/include/uapi/linux/ptrace.h
> index 83ee45fa634b..d54cf6b6ce7c 100644
> --- a/include/uapi/linux/ptrace.h
> +++ b/include/uapi/linux/ptrace.h
> @@ -102,6 +102,14 @@ struct ptrace_syscall_info {
>  	};
>  };
>  
> +#define PTRACE_GET_RSEQ_CONFIGURATION	0x420f
> +
> +struct ptrace_rseq_configuration {
> +	__u64 rseq_abi_pointer;
> +	__u32 signature;
> +	__u32 pad;
> +};

The flags and the structure size appear to be missing here.

Thanks,
Florian