From: Thomas Gleixner <tglx@linutronix.de>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>,
linux-kernel@vger.kernel.org, patches@lists.linux.dev
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>,
linux-crypto@vger.kernel.org, linux-api@vger.kernel.org,
x86@kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>,
Carlos O'Donell <carlos@redhat.com>,
Florian Weimer <fweimer@redhat.com>,
Arnd Bergmann <arnd@arndb.de>,
Christian Brauner <brauner@kernel.org>,
Samuel Neves <sneves@dei.uc.pt>
Subject: Re: [PATCH v10 4/4] x86: vdso: Wire up getrandom() vDSO implementation
Date: Tue, 29 Nov 2022 23:52:05 +0100 [thread overview]
Message-ID: <874juhv0fe.ffs@tglx> (raw)
In-Reply-To: <20221129210639.42233-5-Jason@zx2c4.com>
On Tue, Nov 29 2022 at 22:06, Jason A. Donenfeld wrote:
> Hook up the generic vDSO implementation to the x86 vDSO data page. Since
> the existing vDSO infrastructure is heavily based on the timekeeping
> functionality, which works over arrays of bases, a new macro is
> introduced for vvars that are not arrays.
>
> The vDSO function requires a ChaCha20 implementation that does not write
> to the stack, yet can still do an entire ChaCha20 permutation, so
> provide this using SSE2, since this is userland code that must work on
> all x86-64 processors.
Way more consumable and looks about right. Please take your time and
give others a chance to look at this lot before rushing out v11.
Thanks,
tglx
next prev parent reply other threads:[~2022-11-29 22:53 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-29 21:06 [PATCH v10 0/4] implement getrandom() in vDSO Jason A. Donenfeld
2022-11-29 21:06 ` [PATCH v10 1/4] random: add vgetrandom_alloc() syscall Jason A. Donenfeld
2022-11-29 22:02 ` Thomas Gleixner
2022-11-30 0:59 ` Jason A. Donenfeld
2022-11-30 1:37 ` Thomas Gleixner
2022-11-30 1:42 ` Jason A. Donenfeld
2022-11-30 22:39 ` David Laight
2022-12-01 0:14 ` Jason A. Donenfeld
2022-11-30 10:51 ` Florian Weimer
2022-11-30 15:39 ` Jason A. Donenfeld
2022-11-30 16:38 ` Jason A. Donenfeld
2022-12-02 14:38 ` Jason A. Donenfeld
2022-12-01 2:16 ` Jason A. Donenfeld
2022-12-02 17:17 ` Florian Weimer
2022-12-02 18:29 ` Jason A. Donenfeld
2022-11-29 21:06 ` [PATCH v10 2/4] arch: allocate vgetrandom_alloc() syscall number Jason A. Donenfeld
2022-11-30 8:56 ` Geert Uytterhoeven
2022-11-30 10:06 ` Jason A. Donenfeld
2022-11-30 10:51 ` Arnd Bergmann
2022-11-29 21:06 ` [PATCH v10 3/4] random: introduce generic vDSO getrandom() implementation Jason A. Donenfeld
2022-11-29 22:42 ` Thomas Gleixner
2022-11-30 1:09 ` Jason A. Donenfeld
2022-11-30 10:44 ` Florian Weimer
2022-11-30 14:51 ` Jason A. Donenfeld
2022-11-30 14:59 ` Jason A. Donenfeld
2022-11-30 15:07 ` Arnd Bergmann
2022-11-30 15:12 ` Jason A. Donenfeld
2022-11-30 15:29 ` Arnd Bergmann
2022-11-30 15:47 ` Jason A. Donenfeld
2022-11-30 16:13 ` Arnd Bergmann
2022-11-30 16:40 ` Jason A. Donenfeld
2022-11-30 17:00 ` Thomas Gleixner
2022-11-29 21:06 ` [PATCH v10 4/4] x86: vdso: Wire up getrandom() vDSO implementation Jason A. Donenfeld
2022-11-29 22:52 ` Thomas Gleixner [this message]
2022-11-30 1:11 ` Jason A. Donenfeld
2022-11-30 5:22 ` Eric Biggers
2022-11-30 10:12 ` Jason A. Donenfeld
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