> -----Original Message----- > From: Jakub Kicinski <kuba@xxxxxxxxxx> > Sent: Monday, May 13, 2024 4:42 PM > To: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> > Cc: linux-hyperv@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; Dexuan Cui > <decui@xxxxxxxxxxxxx>; stephen@xxxxxxxxxxxxxxxxxx; KY Srinivasan > <kys@xxxxxxxxxxxxx>; Paul Rosswurm <paulros@xxxxxxxxxxxxx>; > olaf@xxxxxxxxx; vkuznets <vkuznets@xxxxxxxxxx>; davem@xxxxxxxxxxxxx; > wei.liu@xxxxxxxxxx; edumazet@xxxxxxxxxx; pabeni@xxxxxxxxxx; > leon@xxxxxxxxxx; Long Li <longli@xxxxxxxxxxxxx>; > ssengar@xxxxxxxxxxxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx; > daniel@xxxxxxxxxxxxx; john.fastabend@xxxxxxxxx; bpf@xxxxxxxxxxxxxxx; > ast@xxxxxxxxxx; hawk@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; > shradhagupta@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > 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
