From: Johannes Berg <johannes@sipsolutions.net>
To: Kees Cook <keescook@chromium.org>,
Herbert Xu <herbert@gondor.apana.org.au>
Cc: Arnd Bergmann <arnd@arndb.de>, Eric Biggers <ebiggers@google.com>,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
Alasdair Kergon <agk@redhat.com>, Rabin Vincent <rabinv@axis.com>,
Tim Chen <tim.c.chen@linux.intel.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Pavel Machek <pavel@ucw.cz>, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Philipp Reisner <philipp.reisner@linbit.com>,
Lars Ellenberg <lars.ellenberg@linbit.com>,
Jens Axboe <axboe@kernel.dk>,
Giovanni Cabiddu <giovanni.cabiddu@intel.com>,
Mike Snitzer <snitzer@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
David Howells <dhowells@redhat.com>,
Tudor-Dan Ambarus
Subject: Re: [PATCH v6 13/18] wireless/lib80211: Convert from ahash to shash
Date: Wed, 25 Jul 2018 09:24:53 +0200 [thread overview]
Message-ID: <1532503493.3223.0.camel@sipsolutions.net> (raw)
In-Reply-To: <20180724164936.37477-14-keescook@chromium.org> (sfid-20180724_184958_869692_1891A71D)
On Tue, 2018-07-24 at 09:49 -0700, Kees Cook wrote:
> In preparing to remove all stack VLA usage from the kernel[1], this
> removes the discouraged use of AHASH_REQUEST_ON_STACK in favor of
> the smaller SHASH_DESC_ON_STACK by converting from ahash-wrapped-shash
> to direct shash. By removing a layer of indirection this both improves
> performance and reduces stack usage. The stack allocation will be made
> a fixed size in a later patch to the crypto subsystem.
>
I think you sent this before - it should be in net-next now.
johannes
next prev parent reply other threads:[~2018-07-25 7:24 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-24 16:49 [PATCH v6 00/18] crypto: Remove VLA usage Kees Cook
[not found] ` <20180724164936.37477-1-keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2018-07-24 16:49 ` [PATCH v6 01/18] crypto: xcbc: " Kees Cook
2018-07-24 16:49 ` [PATCH v6 02/18] crypto: cbc: " Kees Cook
2018-07-24 16:49 ` [PATCH v6 14/18] staging: rtl8192u: ieee80211: Convert from ahash to shash Kees Cook
2018-07-24 16:49 ` [PATCH v6 03/18] crypto: hash: Remove VLA usage Kees Cook
2018-07-24 16:49 ` [PATCH v6 04/18] dm: Remove VLA usage from hashes Kees Cook
2018-07-24 16:49 ` [PATCH v6 05/18] crypto alg: Introduce generic max blocksize and alignmask Kees Cook
2018-07-24 16:49 ` [PATCH v6 06/18] crypto: qat: Remove VLA usage Kees Cook
2018-07-24 16:49 ` [PATCH v6 07/18] crypto: shash: Remove VLA usage in unaligned hashing Kees Cook
2018-07-24 16:49 ` [PATCH v6 08/18] crypto: skcipher: Remove VLA usage for SKCIPHER_REQUEST_ON_STACK Kees Cook
2018-07-24 16:49 ` [PATCH v6 09/18] ppp: mppe: Remove VLA usage Kees Cook
2018-07-24 16:49 ` [PATCH v6 10/18] x86/power/64: " Kees Cook
2018-07-25 11:32 ` Rafael J. Wysocki
[not found] ` <CAJZ5v0gVDotjufLKUW0YuQu2vA4fmU_gqia=ZA4DocW4XHxx0w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-07-25 18:01 ` Kees Cook
2018-08-06 10:28 ` Rafael J. Wysocki
2018-07-24 16:49 ` [PATCH v6 11/18] dm crypt: Convert essiv from ahash to shash Kees Cook
2018-07-24 16:49 ` [PATCH v6 12/18] drbd: Convert " Kees Cook
[not found] ` <20180724164936.37477-13-keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2018-08-02 23:43 ` Kees Cook
[not found] ` <CAGXu5jJB6V0r8LXOGL6+sO0NVZ0HK3VCthML=T3gLEwMABhSDQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-08-03 13:44 ` Lars Ellenberg
2018-08-06 17:27 ` Kees Cook
2018-07-24 16:49 ` [PATCH v6 13/18] wireless/lib80211: " Kees Cook
2018-07-25 7:24 ` Johannes Berg [this message]
2018-07-25 8:05 ` Kalle Valo
2018-07-24 16:49 ` [PATCH v6 15/18] staging: rtl8192e: ieee80211: " Kees Cook
2018-07-24 16:49 ` [PATCH v6 16/18] rxrpc: Reuse SKCIPHER_REQUEST_ON_STACK buffer Kees Cook
2018-08-02 23:46 ` Kees Cook
2018-08-03 9:14 ` David Howells
2018-07-24 16:49 ` [PATCH v6 17/18] crypto: ccm: Remove VLA usage Kees Cook
2018-07-24 16:57 ` Ard Biesheuvel
2018-07-24 17:51 ` Kees Cook
2018-07-24 16:49 ` [PATCH v6 18/18] crypto: Remove AHASH_REQUEST_ON_STACK Kees Cook
2018-07-24 17:31 ` Joe Perches
[not found] ` <1bdc706ae86039c4ffcff39698251424d54af116.camel-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
2018-07-24 17:53 ` Kees Cook
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