linux-kernel - Can EP bars be called as device memory ?

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Message-ID: <CAHMCJGbrCxqA8CNT8q+U+y7q03+gFjir1X5dN9Yj+_TJeM5yGA@mail.gmail.com>
Date:   Fri, 10 Feb 2017 11:37:39 +0530
From:   Valmiki Saleem <valmikibow@...il.com>
To:     linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>, Marc Zyngier <marc.zyngier@....com>,
        helgaas@...nel.org
Subject: Can EP bars be called as device memory ?

Hi,

In ARMv8 TRM:
An unaligned access to any type of Device memory causes an Alignment fault.

What is meant by device memory ?
Can we call PCIe BAR memory on End point cards as device memory ?

Thanks,
valmiki