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[Qemu-devel] [PATCH v3 04/40] qemu-doc: Fix ivshmem huge page example
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH v3 04/40] qemu-doc: Fix ivshmem huge page example |
Date: |
Tue, 15 Mar 2016 19:34:19 +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>
---
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] [PATCH v3 00/40] ivshmem: Fixes, cleanups, device model split, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 04/40] qemu-doc: Fix ivshmem huge page example,
Markus Armbruster <=
- [Qemu-devel] [PATCH v3 02/40] ivshmem-server: Fix and clean up command line help, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 14/40] ivshmem: Drop ivshmem_event() stub, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 08/40] ivshmem-test: Clean up wait for devices to become operational, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 07/40] ivshmem-test: Improve test case /ivshmem/single, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 24/40] ivshmem: Plug leaks on unplug, fix peer disconnect, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 19/40] ivshmem: Clean up MSI-X conditions, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 06/40] tests/libqos/pci-pc: Fix qpci_pc_iomap() to map BARs aligned, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 12/40] ivshmem: Compile debug prints unconditionally to prevent bit-rot, Markus Armbruster, 2016/03/15
- [Qemu-devel] [PATCH v3 09/40] ivshmem-test: Improve test cases /ivshmem/server-*, Markus Armbruster, 2016/03/15