Re: [Qemu-devel] [RHEL-8.1 virt 2/2] target/i386: sev: Do not pin the ram device memory region

[Eduardo Habkost]

On Tue, Apr 09, 2019 at 08:08:03PM -0400, Gary R Hook wrote:
> BZ: 1667249
> Branch: rhel-8.1.0
> Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1667249
> Upstream Status: 4.0.0-rc1
> Build Info: 
> https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=20980582
> Conflicts: None
> 
> commit cedc0ad539afbbb669dba9e73dfad2915bc1c25b
> Author: Singh, Brijesh <address@hidden>
> Date:   Mon Feb 4 22:23:40 2019 +0000
> 
>     target/i386: sev: Do not pin the ram device memory region
> 
>     The RAM device presents a memory region that should be handled
>     as an IO region and should not be pinned.
> 
>     In the case of the vfio-pci, RAM device represents a MMIO BAR
>     and the memory region is not backed by pages hence
>     KVM_MEMORY_ENCRYPT_REG_REGION fails to lock the memory range.
> 
>     Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1667249
>     Cc: Alex Williamson <address@hidden>
>     Cc: Paolo Bonzini <address@hidden>
>     Signed-off-by: Brijesh Singh <address@hidden>
>     Message-Id: <address@hidden>
>     Signed-off-by: Paolo Bonzini <address@hidden>
> 
> Cc: Paolo Bonzini <address@hidden> 
> Cc: Richard Henderson <address@hidden> 
> Cc: Eduardo Habkost <address@hidden> 
> Cc: address@hidden 

Acked-by: Eduardo Habkost <address@hidden>

-- 
Eduardo