diff options
| author | Markus Armbruster | 2016-03-15 19:34:19 +0100 |
|---|---|---|
| committer | Markus Armbruster | 2016-03-18 17:34:55 +0100 |
| commit | ad4929384b64ffc9908915fd40cb80f455835d4a (patch) | |
| tree | 908cfd1c16cd3da529e576eb394d52b2c28baa85 | |
| parent | ivshmem-server: Don't overload POSIX shmem and file name (diff) | |
| download | qemu-ad4929384b64ffc9908915fd40cb80f455835d4a.tar.gz qemu-ad4929384b64ffc9908915fd40cb80f455835d4a.tar.xz qemu-ad4929384b64ffc9908915fd40cb80f455835d4a.zip | |
qemu-doc: Fix ivshmem huge page example
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 <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1458066895-20632-5-git-send-email-armbru@redhat.com>
| -rw-r--r-- | qemu-doc.texi | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi index bc9dd13cc9..65f3b29506 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 |