From: Dave Martin <Dave.Martin@arm.com>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
linux-man@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/2] syscall.2: arm64: Fix syscall number register size
Date: Wed, 6 May 2020 11:35:00 +0100 [thread overview]
Message-ID: <20200506103500.GT30377@arm.com> (raw)
In-Reply-To: <82affb91-8aa9-0316-421a-3ce503e396e0@gmail.com>
On Wed, May 06, 2020 at 12:16:07PM +0200, Michael Kerrisk (man-pages) wrote:
> On 5/5/20 5:24 PM, Dave Martin wrote:
> > arm64 is currently documented as receiving the syscall number in
> > x8.
> >
> > While this is the correct register, the syscall number is a 32-bit
> > integer. Bits [63:32] are ignored by the kernel.
> >
> > So it is more correct to say "w8".
>
> Thanks, Dave. Patch applied, with Will's Acked-by.
>
> Cheers,
>
> Michael
Thanks!
---Dave
prev parent reply other threads:[~2020-05-06 10:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-05 15:24 [PATCH 0/2] syscall.2: Minor register name fixes for arm/arm64 Dave Martin
2020-05-05 15:24 ` [PATCH 1/2] syscall.2: arm: Use real register names for arm/OABI Dave Martin
2020-05-05 15:26 ` Russell King - ARM Linux admin
2020-05-05 15:53 ` Dave Martin
2020-05-06 10:05 ` Michael Kerrisk (man-pages)
2020-05-06 10:34 ` Dave Martin
2020-05-05 15:24 ` [PATCH 2/2] syscall.2: arm64: Fix syscall number register size Dave Martin
2020-05-05 15:54 ` Will Deacon
2020-05-05 16:06 ` Dave Martin
2020-05-06 10:16 ` Michael Kerrisk (man-pages)
2020-05-06 10:35 ` Dave Martin [this message]
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