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

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Message-ID: <ZmMnqUZw0Lol64kT@zx2c4.com>
Date: Fri, 7 Jun 2024 17:30:49 +0200
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
	tglx@...utronix.de, 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 Fri, May 31, 2024 at 12:16:03PM -0700, Randy Dunlap wrote:
> 
> 
> 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:

Ack. Thanks.

Jason