From: Will Deacon <will@kernel.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Andre Przywara <andre.przywara@arm.com>,
Android Kernel Team <kernel-team@android.com>,
Theodore Ts'o <tytso@mit.edu>, Mark Brown <broonie@kernel.org>,
Sudeep Holla <sudeep.holla@arm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
kvmarm <kvmarm@lists.cs.columbia.edu>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v6 0/5] ARM: arm64: Add SMCCC TRNG entropy service
Date: Thu, 21 Jan 2021 17:54:20 +0000 [thread overview]
Message-ID: <20210121175419.GA22963@willie-the-truck> (raw)
In-Reply-To: <CAMj1kXHW4gPdWXc93eAYpHNU3H+Whg-n2mcEKX=Zro0nANhgSg@mail.gmail.com>
On Wed, Jan 20, 2021 at 02:15:59PM +0100, Ard Biesheuvel wrote:
> On Wed, 20 Jan 2021 at 14:01, Will Deacon <will@kernel.org> wrote:
> >
> > On Wed, 6 Jan 2021 10:34:48 +0000, Andre Przywara wrote:
> > > a fix to v5, now *really* fixing the wrong priority of SMCCC vs. RNDR
> > > in arch_get_random_seed_long_early(). Apologies for messing this up
> > > in v5 and thanks to broonie for being on the watch!
> > >
> > > Will, Catalin: it would be much appreciated if you could consider taking
> > > patch 1/5. This contains the common definitions, and is a prerequisite
> > > for every other patch, although they are somewhat independent and likely
> > > will need to go through different subsystems.
> > >
> > > [...]
> >
> > Applied the first patch only to arm64 (for-next/rng), thanks!
> >
> > [1/5] firmware: smccc: Add SMCCC TRNG function call IDs
> > https://git.kernel.org/arm64/c/67c6bb56b649
> >
> > What's the plan for the rest of the series, and I think the related
> > change over at [1]?
> >
>
> Given that Ted seems to have lost interest in /dev/random patches, I
> was hoping [1] could be taken via the arm64 tree instead. Without this
> patch, I don't think we should expose the SMCCC RNG interface via
> arch_get_random_seed(), given how insanely often it will be called in
> that case.
Ok, let's give that a shot -- I'll additionally pick patches 2 and 4 out
of this series, and merge in the /dev/random change on its own branch in
case there are any late objections.
Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Theodore Ts'o <tytso@mit.edu>, Marc Zyngier <maz@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Sudeep Holla <sudeep.holla@arm.com>,
Russell King <linux@armlinux.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Brown <broonie@kernel.org>,
Andre Przywara <andre.przywara@arm.com>,
Android Kernel Team <kernel-team@android.com>,
kvmarm <kvmarm@lists.cs.columbia.edu>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v6 0/5] ARM: arm64: Add SMCCC TRNG entropy service
Date: Thu, 21 Jan 2021 17:54:20 +0000 [thread overview]
Message-ID: <20210121175419.GA22963@willie-the-truck> (raw)
In-Reply-To: <CAMj1kXHW4gPdWXc93eAYpHNU3H+Whg-n2mcEKX=Zro0nANhgSg@mail.gmail.com>
On Wed, Jan 20, 2021 at 02:15:59PM +0100, Ard Biesheuvel wrote:
> On Wed, 20 Jan 2021 at 14:01, Will Deacon <will@kernel.org> wrote:
> >
> > On Wed, 6 Jan 2021 10:34:48 +0000, Andre Przywara wrote:
> > > a fix to v5, now *really* fixing the wrong priority of SMCCC vs. RNDR
> > > in arch_get_random_seed_long_early(). Apologies for messing this up
> > > in v5 and thanks to broonie for being on the watch!
> > >
> > > Will, Catalin: it would be much appreciated if you could consider taking
> > > patch 1/5. This contains the common definitions, and is a prerequisite
> > > for every other patch, although they are somewhat independent and likely
> > > will need to go through different subsystems.
> > >
> > > [...]
> >
> > Applied the first patch only to arm64 (for-next/rng), thanks!
> >
> > [1/5] firmware: smccc: Add SMCCC TRNG function call IDs
> > https://git.kernel.org/arm64/c/67c6bb56b649
> >
> > What's the plan for the rest of the series, and I think the related
> > change over at [1]?
> >
>
> Given that Ted seems to have lost interest in /dev/random patches, I
> was hoping [1] could be taken via the arm64 tree instead. Without this
> patch, I don't think we should expose the SMCCC RNG interface via
> arch_get_random_seed(), given how insanely often it will be called in
> that case.
Ok, let's give that a shot -- I'll additionally pick patches 2 and 4 out
of this series, and merge in the /dev/random change on its own branch in
case there are any late objections.
Will
_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Theodore Ts'o <tytso@mit.edu>, Marc Zyngier <maz@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Sudeep Holla <sudeep.holla@arm.com>,
Russell King <linux@armlinux.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Brown <broonie@kernel.org>,
Andre Przywara <andre.przywara@arm.com>,
Android Kernel Team <kernel-team@android.com>,
kvmarm <kvmarm@lists.cs.columbia.edu>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v6 0/5] ARM: arm64: Add SMCCC TRNG entropy service
Date: Thu, 21 Jan 2021 17:54:20 +0000 [thread overview]
Message-ID: <20210121175419.GA22963@willie-the-truck> (raw)
In-Reply-To: <CAMj1kXHW4gPdWXc93eAYpHNU3H+Whg-n2mcEKX=Zro0nANhgSg@mail.gmail.com>
On Wed, Jan 20, 2021 at 02:15:59PM +0100, Ard Biesheuvel wrote:
> On Wed, 20 Jan 2021 at 14:01, Will Deacon <will@kernel.org> wrote:
> >
> > On Wed, 6 Jan 2021 10:34:48 +0000, Andre Przywara wrote:
> > > a fix to v5, now *really* fixing the wrong priority of SMCCC vs. RNDR
> > > in arch_get_random_seed_long_early(). Apologies for messing this up
> > > in v5 and thanks to broonie for being on the watch!
> > >
> > > Will, Catalin: it would be much appreciated if you could consider taking
> > > patch 1/5. This contains the common definitions, and is a prerequisite
> > > for every other patch, although they are somewhat independent and likely
> > > will need to go through different subsystems.
> > >
> > > [...]
> >
> > Applied the first patch only to arm64 (for-next/rng), thanks!
> >
> > [1/5] firmware: smccc: Add SMCCC TRNG function call IDs
> > https://git.kernel.org/arm64/c/67c6bb56b649
> >
> > What's the plan for the rest of the series, and I think the related
> > change over at [1]?
> >
>
> Given that Ted seems to have lost interest in /dev/random patches, I
> was hoping [1] could be taken via the arm64 tree instead. Without this
> patch, I don't think we should expose the SMCCC RNG interface via
> arch_get_random_seed(), given how insanely often it will be called in
> that case.
Ok, let's give that a shot -- I'll additionally pick patches 2 and 4 out
of this series, and merge in the /dev/random change on its own branch in
case there are any late objections.
Will
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-01-21 18:03 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-06 10:34 [PATCH v6 0/5] ARM: arm64: Add SMCCC TRNG entropy service Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` [PATCH v6 1/5] firmware: smccc: Add SMCCC TRNG function call IDs Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` [PATCH v6 2/5] firmware: smccc: Introduce SMCCC TRNG framework Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` [PATCH v6 3/5] ARM: implement support for SMCCC TRNG entropy source Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-03-15 12:02 ` Ard Biesheuvel
2021-03-15 12:02 ` Ard Biesheuvel
2021-03-15 12:02 ` Ard Biesheuvel
2021-01-06 10:34 ` [PATCH v6 4/5] arm64: Add " Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 13:10 ` Mark Brown
2021-01-06 13:10 ` Mark Brown
2021-01-06 13:10 ` Mark Brown
2021-01-06 10:34 ` [PATCH v6 5/5] KVM: arm64: implement the TRNG hypervisor call Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-06 10:34 ` Andre Przywara
2021-01-20 13:01 ` [PATCH v6 0/5] ARM: arm64: Add SMCCC TRNG entropy service Will Deacon
2021-01-20 13:01 ` Will Deacon
2021-01-20 13:01 ` Will Deacon
2021-01-20 13:15 ` Ard Biesheuvel
2021-01-20 13:15 ` Ard Biesheuvel
2021-01-20 13:15 ` Ard Biesheuvel
2021-01-21 17:54 ` Will Deacon [this message]
2021-01-21 17:54 ` Will Deacon
2021-01-21 17:54 ` Will Deacon
2021-01-20 13:26 ` Marc Zyngier
2021-01-20 13:26 ` Marc Zyngier
2021-01-20 13:26 ` Marc Zyngier
2021-01-20 13:45 ` Andre Przywara
2021-01-20 13:45 ` Andre Przywara
2021-01-20 13:45 ` Andre Przywara
2021-01-20 13:49 ` Will Deacon
2021-01-20 13:49 ` Will Deacon
2021-01-20 13:49 ` Will Deacon
2021-01-20 13:54 ` Marc Zyngier
2021-01-20 13:54 ` Marc Zyngier
2021-01-20 13:54 ` Marc Zyngier
2021-01-25 22:25 ` (subset) " Marc Zyngier
2021-01-25 22:25 ` Marc Zyngier
2021-01-25 22:25 ` Marc Zyngier
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