From: Catalin Marinas <catalin.marinas@arm.com>
To: Kristina Martsenko <kristina.martsenko@arm.com>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Will Deacon <will@kernel.org>,
Mark Rutland <Mark.Rutland@arm.com>,
Robin Murphy <Robin.Murphy@arm.com>,
Marc Zyngier <maz@kernel.org>
Subject: Re: [PATCH 3/5] arm64: mops: Document booting requirement for HCR_EL2.MCE2
Date: Wed, 2 Oct 2024 11:38:42 +0100 [thread overview]
Message-ID: <Zv0ismji6a1wtJI0@arm.com> (raw)
In-Reply-To: <20240930161051.3777828-4-kristina.martsenko@arm.com>
On Mon, Sep 30, 2024 at 05:10:49PM +0100, Kristina Martsenko wrote:
> diff --git a/Documentation/arch/arm64/booting.rst b/Documentation/arch/arm64/booting.rst
> index b57776a68f15..db46af5b9f0f 100644
> --- a/Documentation/arch/arm64/booting.rst
> +++ b/Documentation/arch/arm64/booting.rst
> @@ -385,6 +385,9 @@ Before jumping into the kernel, the following conditions must be met:
>
> - HCRX_EL2.MSCEn (bit 11) must be initialised to 0b1.
>
> + - HCRX_EL2.MCE2 (bit 10) must be initialised to 0b1. The exception
> + handler must set PSTATE.SS to 0b0.
That's a booting document, do we need to specify the single-step
exception?
--
Catalin
next prev parent reply other threads:[~2024-10-02 10:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-30 16:10 [PATCH 0/5] arm64: Use memory copy instructions in kernel routines Kristina Martsenko
2024-09-30 16:10 ` [PATCH 1/5] arm64: probes: Disable kprobes/uprobes on MOPS instructions Kristina Martsenko
2024-10-02 10:28 ` Catalin Marinas
2024-09-30 16:10 ` [PATCH 2/5] arm64: mops: Handle MOPS exceptions from EL1 Kristina Martsenko
2024-09-30 16:10 ` [PATCH 3/5] arm64: mops: Document booting requirement for HCR_EL2.MCE2 Kristina Martsenko
2024-10-02 10:38 ` Catalin Marinas [this message]
2024-10-02 13:31 ` Kristina Martsenko
2024-10-02 17:09 ` Catalin Marinas
2024-09-30 16:10 ` [PATCH 4/5] arm64: lib: Use MOPS for memcpy() routines Kristina Martsenko
2024-10-02 15:29 ` Catalin Marinas
2024-10-03 16:46 ` Kristina Martsenko
2024-10-04 10:07 ` Catalin Marinas
2024-10-16 13:08 ` Kristina Martsenko
2024-10-17 11:57 ` Catalin Marinas
2024-09-30 16:10 ` [PATCH 5/5] arm64: lib: Use MOPS for copy_page() and clear_page() Kristina Martsenko
2024-10-02 15:37 ` Catalin Marinas
2024-10-02 16:20 ` [PATCH 0/5] arm64: Use memory copy instructions in kernel routines Catalin Marinas
2024-10-03 16:49 ` Kristina Martsenko
2024-10-04 10:10 ` Catalin Marinas
2024-10-17 18:00 ` Catalin Marinas
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