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[v3,04/40] qemu-doc: Fix ivshmem huge page example

Message ID 1458066895-20632-5-git-send-email-armbru@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Markus Armbruster March 15, 2016, 6:34 p.m. UTC 
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>
---
 qemu-doc.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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