From: Catalin Marinas <catalin.marinas@arm.com>
To: Marc Zyngier <maz@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
David Brazdil <dbrazdil@google.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Ard Biesheuvel <ardb@kernel.org>,
Jing Zhang <jingzhangos@google.com>,
Ajay Patil <pajay@qti.qualcomm.com>,
Prasad Sodagudi <psodagud@codeaurora.org>,
Srinivas Ramana <sramana@codeaurora.org>,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
kernel-team@android.com
Subject: Re: [PATCH v4 16/21] arm64: Make kvm-arm.mode={nvhe,protected} an alias of id_aa64mmfr1.vh=0
Date: Sat, 23 Jan 2021 14:15:39 +0000 [thread overview]
Message-ID: <YAwvi9zEXZxbo9iK@Catalins-MacBook-Air.local> (raw)
In-Reply-To: <20210118094533.2874082-17-maz@kernel.org>
On Mon, Jan 18, 2021 at 09:45:28AM +0000, Marc Zyngier wrote:
> Admitedly, passing id_aa64mmfr1.vh=0 on the command-line isn't
> that easy to understand, and it is likely that users would much
> prefer write "kvm-arm.mode=nvhe", or "...=protected".
>
> So here you go. This has the added advantage that we can now
> always honor the "kvm-arm.mode=protected" option, even when
> booting on a VHE system.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Marc Zyngier <maz@kernel.org>
Cc: Prasad Sodagudi <psodagud@codeaurora.org>,
Srinivas Ramana <sramana@codeaurora.org>,
linux-kernel@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
Ajay Patil <pajay@qti.qualcomm.com>,
kernel-team@android.com, Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 16/21] arm64: Make kvm-arm.mode={nvhe,protected} an alias of id_aa64mmfr1.vh=0
Date: Sat, 23 Jan 2021 14:15:39 +0000 [thread overview]
Message-ID: <YAwvi9zEXZxbo9iK@Catalins-MacBook-Air.local> (raw)
In-Reply-To: <20210118094533.2874082-17-maz@kernel.org>
On Mon, Jan 18, 2021 at 09:45:28AM +0000, Marc Zyngier wrote:
> Admitedly, passing id_aa64mmfr1.vh=0 on the command-line isn't
> that easy to understand, and it is likely that users would much
> prefer write "kvm-arm.mode=nvhe", or "...=protected".
>
> So here you go. This has the added advantage that we can now
> always honor the "kvm-arm.mode=protected" option, even when
> booting on a VHE system.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
_______________________________________________
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: Catalin Marinas <catalin.marinas@arm.com>
To: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Jing Zhang <jingzhangos@google.com>,
Prasad Sodagudi <psodagud@codeaurora.org>,
Srinivas Ramana <sramana@codeaurora.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
linux-kernel@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Ajay Patil <pajay@qti.qualcomm.com>,
kernel-team@android.com, David Brazdil <dbrazdil@google.com>,
Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 16/21] arm64: Make kvm-arm.mode={nvhe,protected} an alias of id_aa64mmfr1.vh=0
Date: Sat, 23 Jan 2021 14:15:39 +0000 [thread overview]
Message-ID: <YAwvi9zEXZxbo9iK@Catalins-MacBook-Air.local> (raw)
In-Reply-To: <20210118094533.2874082-17-maz@kernel.org>
On Mon, Jan 18, 2021 at 09:45:28AM +0000, Marc Zyngier wrote:
> Admitedly, passing id_aa64mmfr1.vh=0 on the command-line isn't
> that easy to understand, and it is likely that users would much
> prefer write "kvm-arm.mode=nvhe", or "...=protected".
>
> So here you go. This has the added advantage that we can now
> always honor the "kvm-arm.mode=protected" option, even when
> booting on a VHE system.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
_______________________________________________
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:[~2021-01-23 14:16 UTC|newest]
Thread overview: 166+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 9:45 [PATCH v4 00/21] arm64: Early CPU feature override, and applications to VHE, BTI and PAuth Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 01/21] arm64: Fix labels in el2_setup macros Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 11:13 ` David Brazdil
2021-01-18 11:13 ` David Brazdil
2021-01-18 11:13 ` David Brazdil
2021-01-18 9:45 ` [PATCH v4 02/21] arm64: Fix outdated TCR setup comment Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-20 18:18 ` Catalin Marinas
2021-01-20 18:18 ` Catalin Marinas
2021-01-20 18:18 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 03/21] arm64: Turn the MMU-on sequence into a macro Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-20 18:18 ` Catalin Marinas
2021-01-20 18:18 ` Catalin Marinas
2021-01-20 18:18 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 04/21] arm64: Provide an 'upgrade to VHE' stub hypercall Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 11:25 ` David Brazdil
2021-01-18 11:25 ` David Brazdil
2021-01-18 11:25 ` David Brazdil
2021-01-24 18:44 ` Marc Zyngier
2021-01-24 18:44 ` Marc Zyngier
2021-01-24 18:44 ` Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 05/21] arm64: Initialise as nVHE before switching to VHE Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 06/21] arm64: Move VHE-specific SPE setup to mutate_to_vhe() Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 07/21] arm64: Simplify init_el2_state to be non-VHE only Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 08/21] arm64: Move SCTLR_EL1 initialisation to EL-agnostic code Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-20 18:35 ` Catalin Marinas
2021-01-20 18:35 ` Catalin Marinas
2021-01-20 18:35 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 09/21] arm64: cpufeature: Add global feature override facility Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-22 18:41 ` Catalin Marinas
2021-01-22 18:41 ` Catalin Marinas
2021-01-22 18:41 ` Catalin Marinas
2021-01-23 15:59 ` Suzuki K Poulose
2021-01-23 15:59 ` Suzuki K Poulose
2021-01-23 15:59 ` Suzuki K Poulose
2021-01-18 9:45 ` [PATCH v4 10/21] arm64: cpufeature: Use IDreg override in __read_sysreg_by_encoding() Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-22 18:53 ` Catalin Marinas
2021-01-22 18:53 ` Catalin Marinas
2021-01-22 18:53 ` Catalin Marinas
2021-01-23 16:04 ` Suzuki K Poulose
2021-01-23 16:04 ` Suzuki K Poulose
2021-01-23 16:04 ` Suzuki K Poulose
2021-01-18 9:45 ` [PATCH v4 11/21] arm64: Extract early FDT mapping from kaslr_early_init() Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-22 18:55 ` Catalin Marinas
2021-01-22 18:55 ` Catalin Marinas
2021-01-22 18:55 ` Catalin Marinas
2021-01-23 13:25 ` Catalin Marinas
2021-01-23 13:25 ` Catalin Marinas
2021-01-23 13:25 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 12/21] arm64: cpufeature: Add an early command-line cpufeature override facility Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 13:07 ` David Brazdil
2021-01-18 13:07 ` David Brazdil
2021-01-18 13:07 ` David Brazdil
2021-01-23 13:23 ` Catalin Marinas
2021-01-23 13:23 ` Catalin Marinas
2021-01-23 13:23 ` Catalin Marinas
2021-01-23 13:43 ` Catalin Marinas
2021-01-23 13:43 ` Catalin Marinas
2021-01-23 13:43 ` Catalin Marinas
2021-01-24 16:21 ` Marc Zyngier
2021-01-24 16:21 ` Marc Zyngier
2021-01-24 16:21 ` Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 13/21] arm64: Allow ID_AA64MMFR1_EL1.VH to be overridden from the command line Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-23 14:04 ` Catalin Marinas
2021-01-23 14:04 ` Catalin Marinas
2021-01-23 14:04 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 14/21] arm64: Honor VHE being disabled from the command-line Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 13:14 ` David Brazdil
2021-01-18 13:14 ` David Brazdil
2021-01-18 13:14 ` David Brazdil
2021-01-23 14:07 ` Catalin Marinas
2021-01-23 14:07 ` Catalin Marinas
2021-01-23 14:07 ` Catalin Marinas
2021-01-24 15:59 ` Marc Zyngier
2021-01-24 15:59 ` Marc Zyngier
2021-01-24 15:59 ` Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 15/21] arm64: Add an aliasing facility for the idreg override Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 13:18 ` David Brazdil
2021-01-18 13:18 ` David Brazdil
2021-01-18 13:18 ` David Brazdil
2021-01-24 19:01 ` Marc Zyngier
2021-01-24 19:01 ` Marc Zyngier
2021-01-24 19:01 ` Marc Zyngier
2021-01-23 14:12 ` Catalin Marinas
2021-01-23 14:12 ` Catalin Marinas
2021-01-23 14:12 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 16/21] arm64: Make kvm-arm.mode={nvhe,protected} an alias of id_aa64mmfr1.vh=0 Marc Zyngier
2021-01-18 9:45 ` [PATCH v4 16/21] arm64: Make kvm-arm.mode={nvhe, protected} " Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-23 14:15 ` Catalin Marinas [this message]
2021-01-23 14:15 ` [PATCH v4 16/21] arm64: Make kvm-arm.mode={nvhe,protected} " Catalin Marinas
2021-01-23 14:15 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 17/21] KVM: arm64: Document HVC_VHE_RESTART stub hypercall Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 13:29 ` David Brazdil
2021-01-18 13:29 ` David Brazdil
2021-01-18 13:29 ` David Brazdil
2021-01-18 9:45 ` [PATCH v4 18/21] arm64: Move "nokaslr" over to the early cpufeature infrastructure Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 14:46 ` David Brazdil
2021-01-18 14:46 ` David Brazdil
2021-01-18 14:46 ` David Brazdil
2021-01-24 18:41 ` Marc Zyngier
2021-01-24 18:41 ` Marc Zyngier
2021-01-24 18:41 ` Marc Zyngier
2021-01-23 14:19 ` Catalin Marinas
2021-01-23 14:19 ` Catalin Marinas
2021-01-23 14:19 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 19/21] arm64: cpufeatures: Allow disabling of BTI from the command-line Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-23 14:24 ` Catalin Marinas
2021-01-23 14:24 ` Catalin Marinas
2021-01-23 14:24 ` Catalin Marinas
2021-01-26 20:35 ` Srinivas Ramana
2021-01-26 20:35 ` Srinivas Ramana
2021-01-18 9:45 ` [PATCH v4 20/21] arm64: Defer enabling pointer authentication on boot core Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-23 14:26 ` Catalin Marinas
2021-01-23 14:26 ` Catalin Marinas
2021-01-23 14:26 ` Catalin Marinas
2021-01-18 9:45 ` [PATCH v4 21/21] arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-18 9:45 ` Marc Zyngier
2021-01-23 14:28 ` Catalin Marinas
2021-01-23 14:28 ` Catalin Marinas
2021-01-23 14:28 ` Catalin Marinas
2021-01-26 20:30 ` Srinivas Ramana
2021-01-26 20:30 ` Srinivas Ramana
2021-01-18 14:54 ` [PATCH v4 00/21] arm64: Early CPU feature override, and applications to VHE, BTI and PAuth David Brazdil
2021-01-18 14:54 ` David Brazdil
2021-01-18 14:54 ` David Brazdil
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YAwvi9zEXZxbo9iK@Catalins-MacBook-Air.local \
--to=catalin.marinas@arm.com \
--cc=alexandru.elisei@arm.com \
--cc=ardb@kernel.org \
--cc=dbrazdil@google.com \
--cc=james.morse@arm.com \
--cc=jingzhangos@google.com \
--cc=julien.thierry.kdev@gmail.com \
--cc=kernel-team@android.com \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=pajay@qti.qualcomm.com \
--cc=psodagud@codeaurora.org \
--cc=sramana@codeaurora.org \
--cc=suzuki.poulose@arm.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.