From: Peter Zijlstra <peterz@infradead.org>
To: "Bae, Chang Seok" <chang.seok.bae@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@suse.de>,
Andy Lutomirski <luto@kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
"herbert@gondor.apana.org.au" <herbert@gondor.apana.org.au>,
"Williams, Dan J" <dan.j.williams@intel.com>,
"Hansen, Dave" <dave.hansen@intel.com>,
"Shankar, Ravi V" <ravi.v.shankar@intel.com>,
"Sun, Ning" <ning.sun@intel.com>,
"Dwarakanath, Kumar N" <kumar.n.dwarakanath@intel.com>,
"linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 7/8] crypto: x86/aes-kl - Support AES algorithm using Key Locker instructions
Date: Fri, 18 Dec 2020 15:33:34 +0100 [thread overview]
Message-ID: <20201218143334.GG3021@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <61FFFEA5-3DD2-4625-9F3A-B7A589B92D95@intel.com>
On Fri, Dec 18, 2020 at 10:34:28AM +0000, Bae, Chang Seok wrote:
>
> > On Dec 18, 2020, at 19:11, Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > *groan*, so what actual version of binutils is needed and why is this
> > driver important enough to build on ancient crud to warrant all this
> > gunk?
>
> The new Key Locker instructions look to be added a few month ago [1].
> But the latest binutils release (2.35.1) does not include them yet.
>
> I’m open to drop the macros if there is any better way to define them
> without binutils support.
It's just a driver, make it depend on binutils having the instructions.
next prev parent reply other threads:[~2020-12-18 14:34 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-16 17:41 [RFC PATCH 0/8] x86: Support Intel Key Locker Chang S. Bae
2020-12-16 17:41 ` [RFC PATCH 1/8] x86/cpufeature: Enumerate Key Locker feature Chang S. Bae
2020-12-16 17:41 ` [RFC PATCH 2/8] x86/cpu: Load Key Locker internal key at boot-time Chang S. Bae
2020-12-16 17:41 ` [RFC PATCH 3/8] x86/msr-index: Add MSRs for Key Locker internal key Chang S. Bae
2020-12-16 17:41 ` [RFC PATCH 4/8] x86/power: Restore Key Locker internal key from the ACPI S3/4 sleep states Chang S. Bae
2020-12-17 19:10 ` Eric Biggers
2020-12-18 1:00 ` Bae, Chang Seok
2021-01-28 10:34 ` Rafael J. Wysocki
2021-01-28 16:10 ` Bae, Chang Seok
2020-12-16 17:41 ` [RFC PATCH 5/8] x86/cpu: Add a config option and a chicken bit for Key Locker Chang S. Bae
2020-12-16 17:41 ` [RFC PATCH 6/8] selftests/x86: Test Key Locker internal key maintenance Chang S. Bae
2020-12-18 9:59 ` Peter Zijlstra
2020-12-18 10:43 ` Bae, Chang Seok
2020-12-16 17:41 ` [RFC PATCH 7/8] crypto: x86/aes-kl - Support AES algorithm using Key Locker instructions Chang S. Bae
2020-12-17 10:16 ` Ard Biesheuvel
2021-05-14 20:36 ` Bae, Chang Seok
2020-12-17 20:54 ` Andy Lutomirski
2021-05-14 20:48 ` Bae, Chang Seok
2020-12-17 20:58 ` [NEEDS-REVIEW] " Dave Hansen
2020-12-18 9:56 ` Peter Zijlstra
2020-12-18 10:11 ` Peter Zijlstra
2020-12-18 10:34 ` Bae, Chang Seok
2020-12-18 11:00 ` Borislav Petkov
2020-12-18 14:33 ` Peter Zijlstra [this message]
2020-12-16 17:41 ` [RFC PATCH 8/8] x86/cpu: Support the hardware randomization option for Key Locker internal key Chang S. Bae
2020-12-17 19:10 ` [RFC PATCH 0/8] x86: Support Intel Key Locker Eric Biggers
2020-12-17 20:07 ` Dan Williams
2020-12-18 1:08 ` Bae, Chang Seok
2020-12-19 18:59 ` Andy Lutomirski
2020-12-22 19:03 ` Bae, Chang Seok
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