From: Catalin Marinas <catalin.marinas@arm.com>
To: "Rémi Denis-Courmont" <remi@remlab.net>
Cc: Mark Rutland <mark.rutland@arm.com>,
James Morse <james.morse@arm.com>, Will Deacon <will@kernel.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv3 0/3] clean up KPTI / SDEI trampoline data alignment
Date: Fri, 20 Mar 2020 16:54:44 +0000 [thread overview]
Message-ID: <20200320165159.GB7448@mbp> (raw)
In-Reply-To: <1938400.7m7sAWtiY1@basile.remlab.net>
On Thu, Mar 19, 2020 at 11:12:56AM +0200, Rémi Denis-Courmont wrote:
> Hi,
>
> The KPTI and SDE trampolines each load a pointer from the same fixmap data
> page. This reduces the data alignment to the useful value, and tries to
> clarify the assembler code.
>
> Changes since v2:
> - Retain alignment even when SDEI is disabled to keep ld happy.
I queued v2. Thanks.
--
Catalin
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WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: "Rémi Denis-Courmont" <remi@remlab.net>
Cc: Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Mark Rutland <mark.rutland@arm.com>,
James Morse <james.morse@arm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCHv3 0/3] clean up KPTI / SDEI trampoline data alignment
Date: Fri, 20 Mar 2020 16:54:44 +0000 [thread overview]
Message-ID: <20200320165159.GB7448@mbp> (raw)
In-Reply-To: <1938400.7m7sAWtiY1@basile.remlab.net>
On Thu, Mar 19, 2020 at 11:12:56AM +0200, Rémi Denis-Courmont wrote:
> Hi,
>
> The KPTI and SDE trampolines each load a pointer from the same fixmap data
> page. This reduces the data alignment to the useful value, and tries to
> clarify the assembler code.
>
> Changes since v2:
> - Retain alignment even when SDEI is disabled to keep ld happy.
I queued v2. Thanks.
--
Catalin
next prev parent reply other threads:[~2020-03-20 16:57 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 9:12 [PATCHv3 0/3] clean up KPTI / SDEI trampoline data alignment Rémi Denis-Courmont
2020-03-19 9:12 ` Rémi Denis-Courmont
2020-03-19 9:14 ` [PATCH 1/3] arm64: clean up trampoline vector loads Rémi Denis-Courmont
2020-03-19 9:14 ` Rémi Denis-Courmont
2020-03-23 12:07 ` Mark Rutland
2020-03-23 12:07 ` Mark Rutland
2020-03-23 12:08 ` Rémi Denis-Courmont
2020-03-23 12:08 ` Rémi Denis-Courmont
2020-03-23 12:14 ` Mark Rutland
2020-03-23 12:14 ` Mark Rutland
2020-03-23 19:04 ` Catalin Marinas
2020-03-23 19:04 ` Catalin Marinas
2020-03-23 20:42 ` Rémi Denis-Courmont
2020-03-23 20:42 ` Rémi Denis-Courmont
2020-03-24 10:37 ` Catalin Marinas
2020-03-24 10:37 ` Catalin Marinas
2020-03-24 10:52 ` Mark Rutland
2020-03-24 10:52 ` Mark Rutland
2020-03-24 11:23 ` Catalin Marinas
2020-03-24 11:23 ` Catalin Marinas
2020-03-19 9:14 ` [PATCH 2/3] arm64/sdei: gather trampolines' .rodata Rémi Denis-Courmont
2020-03-19 9:14 ` Rémi Denis-Courmont
2020-03-19 9:14 ` [PATCH 3/3] arm64: reduce trampoline data alignment Rémi Denis-Courmont
2020-03-19 9:14 ` Rémi Denis-Courmont
2020-03-21 13:40 ` Catalin Marinas
2020-03-21 13:41 ` Catalin Marinas
2020-03-23 11:58 ` Mark Rutland
2020-03-23 11:58 ` Mark Rutland
2020-03-19 18:37 ` [PATCHv3 0/3] clean up KPTI / SDEI " Will Deacon
2020-03-19 18:37 ` Will Deacon
2020-03-20 16:54 ` Catalin Marinas [this message]
2020-03-20 16:54 ` Catalin Marinas
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