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[Qemu-devel] [PULL 04/40] qemu-doc: Fix ivshmem huge page example
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PULL 04/40] qemu-doc: Fix ivshmem huge page example |
Date: |
Fri, 18 Mar 2016 18:00:51 +0100 |
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>
Reviewed-by: Paolo Bonzini <address@hidden>
Message-Id: <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
- [Qemu-devel] [PULL 18/40] ivshmem: Clean up register callbacks, (continued)
- [Qemu-devel] [PULL 18/40] ivshmem: Clean up register callbacks, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 14/40] ivshmem: Drop ivshmem_event() stub, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 24/40] ivshmem: Plug leaks on unplug, fix peer disconnect, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 38/40] ivshmem: Drop ivshmem property x-memdev, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 20/40] ivshmem: Leave INTx alone when using MSI-X, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 39/40] ivshmem: Require master to have ID zero, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 33/40] ivshmem: Inline check_shm_size() into its only caller, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 26/40] ivshmem: Propagate errors through ivshmem_recv_setup(), Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 10/40] ivshmem: Rewrite specification document, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 32/40] ivshmem: Simplify memory regions for BAR 2 (shared memory), Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 04/40] qemu-doc: Fix ivshmem huge page example,
Markus Armbruster <=
- [Qemu-devel] [PULL 29/40] ivshmem: Simplify how we cope with short reads from server, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 19/40] ivshmem: Clean up MSI-X conditions, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 35/40] ivshmem: Replace int role_val by OnOffAuto master, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 13/40] ivshmem: Clean up after commit 9940c32, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 02/40] ivshmem-server: Fix and clean up command line help, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 23/40] ivshmem: Disentangle ivshmem_read(), Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 16/40] ivshmem: Fix harmless misuse of Error, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 17/40] ivshmem: Failed realize() can leave migration blocker behind, Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 25/40] ivshmem: Receive shared memory synchronously in realize(), Markus Armbruster, 2016/03/18
- [Qemu-devel] [PULL 30/40] ivshmem: Tighten check of property "size", Markus Armbruster, 2016/03/18