linux-kernel - Re: [PATCH v3 08/14] tools/nolibc: use custom structs timespec and timeval

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Message-Id: <603f8d3b-1fd7-4f68-b9e7-04093f1bc117@app.fastmail.com>
Date: Mon, 22 Dec 2025 10:38:13 +0100
From: "Arnd Bergmann" <arnd@...db.de>
To: Thomas Weißschuh <linux@...ssschuh.net>,
 "Willy Tarreau" <w@....eu>, shuah <shuah@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v3 08/14] tools/nolibc: use custom structs timespec and timeval

On Sat, Dec 20, 2025, at 14:55, Thomas Weißschuh wrote:
> 
> +struct timespec {
> +	__kernel_old_time_t	tv_sec;
> +	long			tv_nsec;
> +};
> +#define _STRUCT_TIMESPEC
> +
> +struct timeval {
> +	__kernel_old_time_t	tv_sec;
> +	__kernel_suseconds_t	tv_usec;
> +};
> +
> +#define timeval __nolibc_kernel_timeval
> +#include <linux/time.h>
> +#undef timeval

This looks like an appropriate workaround for nolibc so
it can work with old kernel headers, but I feel like we
need to also fix the kernel headers so at some point in
the future we won't need those workarounds any more.

    Arnd