> -----Original Message-----
> From: Jakub Kicinski <k...@kernel.org>
> Sent: Monday, May 13, 2024 4:42 PM
> To: Haiyang Zhang <haiya...@microsoft.com>
> Cc: linux-hyperv@vger.kernel.org; net...@vger.kernel.org; Dexuan Cui
> <de...@microsoft.com>; step...@networkplumber.org; KY Srinivasan
> <k...@microsoft.com>; Paul Rosswurm <paul...@microsoft.com>;
> o...@aepfle.de; vkuznets <vkuzn...@redhat.com>; da...@davemloft.net;
> wei....@kernel.org; eduma...@google.com; pab...@redhat.com;
> l...@kernel.org; Long Li <lon...@microsoft.com>;
> ssen...@linux.microsoft.com; linux-r...@vger.kernel.org;
> dan...@iogearbox.net; john.fastab...@gmail.com; b...@vger.kernel.org;
> a...@kernel.org; h...@kernel.org; t...@linutronix.de;
> shradhagu...@linux.microsoft.com; linux-ker...@vger.kernel.org
> Subject: Re: [PATCH net-next] net: mana: Enable MANA driver on ARM64 with
> 4K page size
>
> On Mon, 13 May 2024 13:29:01 -0700 Haiyang Zhang wrote:
> > - depends on PCI_MSI && X86_64
> > + depends on PCI_MSI
> > + depends on X86_64 || (ARM64 && !CPU_BIG_ENDIAN && ARM64_4K_PAGES)
>
> Can ARM64 be big endian?
>From the document, it can be:
"ARM cores support both modes, but are most commonly used in, and typically
default to little-endian mode. Most Linux distributions for ARM tend to be
little-endian only."
https://developer.arm.com/documentation/den0042/a/Coding-for-Cortex-R-Processors/Endianness
MANA driver doesn't support big endian.
Thanks,
- Haiyang
