From: "Arnd Bergmann" <arnd@arndb.de>
To: "Patrisious Haddad" <phaddad@nvidia.com>,
"Nathan Chancellor" <nathan@kernel.org>,
"Jason Gunthorpe" <jgg@nvidia.com>
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Subject: Re: [PATCH net-next V2] net/mlx5: Improve write-combining test reliability for ARM64 Grace CPUs
Date: Tue, 16 Sep 2025 10:58:32 +0200 [thread overview]
Message-ID: <9d4cd8d2-343e-4448-ab59-65e69728c850@app.fastmail.com> (raw)
In-Reply-To: <d259ffa9-6c9e-488f-a64f-81025deba75c@nvidia.com>
On Tue, Sep 16, 2025, at 10:39, Patrisious Haddad wrote:
> On 9/16/2025 2:15 AM, Nathan Chancellor wrote:
>> External email: Use caution opening links or attachments
>
> ifeq ($(ARCH),arm64)
> CFLAGS_lib/neon_iowrite64_copy.o += -ffreestanding
> CFLAGS_REMOVE_lib/neon_iowrite64_copy.o += -mgeneral-regs-only
> endif
>
> Which is actually equivalent to the diff you sent, Thanks for the
> heads-up will fix and resend.
>
I think it's better to handle this inside of the inline asm itself
by adding
".arch_extension simd;\n\t"
at the start of it.
Arnd
next prev parent reply other threads:[~2025-09-16 8:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 8:35 [PATCH net-next V2] net/mlx5: Improve write-combining test reliability for ARM64 Grace CPUs Tariq Toukan
2025-09-15 22:18 ` Nathan Chancellor
2025-09-15 22:27 ` Nathan Chancellor
2025-09-15 22:48 ` Jason Gunthorpe
2025-09-15 23:15 ` Nathan Chancellor
2025-09-16 8:39 ` Patrisious Haddad
2025-09-16 8:58 ` Arnd Bergmann [this message]
2025-09-16 9:47 ` Patrisious Haddad
2025-09-16 12:27 ` Jason Gunthorpe
2025-09-16 13:13 ` Patrisious Haddad
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