linux-kernel - Re: [PATCH v16 5/5] x86: vdso: Wire up getrandom() vDSO implementation

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Date: Fri, 31 May 2024 12:16:03 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: "Jason A. Donenfeld" <Jason@...c4.com>, linux-kernel@...r.kernel.org,
 patches@...ts.linux.dev, tglx@...utronix.de
Cc: linux-crypto@...r.kernel.org, linux-api@...r.kernel.org, x86@...nel.org,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Adhemerval Zanella Netto <adhemerval.zanella@...aro.org>,
 Carlos O'Donell <carlos@...hat.com>, Florian Weimer <fweimer@...hat.com>,
 Arnd Bergmann <arnd@...db.de>, Jann Horn <jannh@...gle.com>,
 Christian Brauner <brauner@...nel.org>,
 David Hildenbrand <dhildenb@...hat.com>, Samuel Neves <sneves@....uc.pt>
Subject: Re: [PATCH v16 5/5] x86: vdso: Wire up getrandom() vDSO
 implementation

On 5/28/24 5:19 AM, Jason A. Donenfeld wrote:
> +/**
> + * getrandom_syscall - Invoke the getrandom() syscall.
> + * @buffer:	Destination buffer to fill with random bytes.
> + * @len:	Size of @buffer in bytes.
> + * @flags:	Zero or more GRND_* flags.
> + * Returns the number of random bytes written to @buffer, or a negative value indicating an error.

    * Returns:

> + */

-- 
#Randy
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