Re: [PATCH 2/3] PCI: rcar: Allow 64bit MSI addresses

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Mar 17, 2019 at 01:06:07AM +0100, marek.vasut@xxxxxxxxx wrote:
> From: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
> 
> The MSI address can be 64bit. Switch the data type used to hold the
> result of virt_to_phys() to phys_addr_t to reflect it's properties
> correctly and program the top 32bits of PA into PCIEMSIAUR.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>

Looks sane. Not being a PCI expert, I wonder: Were we just lucky to not
hit a 64-bit MSI address before? Is this tied to our 32-bit limitation?

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Linux Samsung SOC]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux