netdev - Re: [PATCH 6/8] socket: Add struct sock

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Message-ID: <CABeXuvp5KAhJmU69G54G1LAB69otk=svpuaV8vra_iuHa2VsBA@mail.gmail.com>
Date:   Mon, 26 Nov 2018 08:33:22 -0800
From:   Deepa Dinamani <deepa.kernel@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     willemdebruijn.kernel@...il.com,
        "David S. Miller" <davem@...emloft.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Network Devel Mailing List <netdev@...r.kernel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        y2038 Mailman List <y2038@...ts.linaro.org>
Subject: Re: [PATCH 6/8] socket: Add struct sock_timeval

> I think we want signed types to keep it closer to what we
> have today with 'timeval'. as long as linux/types.h is included
> first (it is).
>
> Between __s64 or long long, I don't think it makes a difference,
> so let's just go with Willem's suggestion. We already rely on
> 'long long' being exactly 64 bit wide in 'struct __kernel_timespec'
> as well.

Sure, I will change this to __s64.
I was also thinking we want signed types because it should be possible
to set system time before 1970.

> We could however debate whether 'sock_timeval' should
> be visible to user space in linux/tme.h like this, or if it
> should be put in a namespace like '__kernel_sock_timeval'
> to ensure it won't conflict with user space headers defining
> a type of the same name.

Good idea. I can rename it to __kernel_sock_timeval.

Thanks,
Deepa