Re: [Qemu-devel] [PATCH 02/38] qemu-doc: Fix ivshmem huge page example

[Marc-André Lureau]

On Mon, Feb 29, 2016 at 7:40 PM, Markus Armbruster <address@hidden> wrote:
> Option parameter "share" is missing.  Without it, you get a *private*
> mmap(), which defeats ivshmem's purpose pretty thoroughly ;)
>
> While there, switch to the conventional mountpoint of hugetlbfs
> /dev/hugepages.
>
> Signed-off-by: Markus Armbruster <address@hidden>

Reviewed-by: Marc-André Lureau <address@hidden>


> ---
>  qemu-doc.texi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/qemu-doc.texi b/qemu-doc.texi
> index bc9dd13..65f3b29 100644
> --- a/qemu-doc.texi
> +++ b/qemu-doc.texi
> @@ -1311,7 +1311,7 @@ Instead of specifying the <shm size> using POSIX shm, 
> you may specify
>  a memory backend that has hugepage support:
>
>  @example
> -qemu-system-i386 -object 
> memory-backend-file,size=1G,mem-path=/mnt/hugepages/my-shmem-file,id=mb1
> +qemu-system-i386 -object 
> memory-backend-file,size=1G,mem-path=/dev/hugepages/my-shmem-file,share,id=mb1
>                   -device ivshmem,x-memdev=mb1
>  @end example
>
> --
> 2.4.3
>
>



-- 
Marc-André Lureau