From: Zhang Yi
Signed-off-by: Zhang Yi
---
docs/nvdimm.txt | 22 +++---
qemu-options.hx | 5 +
2 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/docs/nvdimm.txt b/docs/nvdimm.txt
index 5f158a6..e70f28b 100644
--- a/docs/nvdimm.txt
+++ b/docs/nvdimm.txt
From: Zhang Yi
Signed-off-by: Zhang Yi
---
docs/nvdimm.txt | 25 ++---
qemu-options.hx | 5 +
2 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/docs/nvdimm.txt b/docs/nvdimm.txt
index 5f158a6..a168429 100644
--- a/docs/nvdimm.txt
+++ b/docs/nvdimm.txt
From: Zhang Yi
When a file supporting DAX is used as vNVDIMM backend, mmap it with
MAP_SYNC flag in addition which can ensure file system metadata
synced in each guest writes to the backend file, without other QEMU
actions (e.g., periodic fsync() by QEMU).
Current, We have below different
From: Zhang Yi
Add linux/mman.h,asm/mman.h,asm/mman-common.h to linux-headers,
So we can use more mmap2 flags.
Signed-off-by: Zhang Yi
---
scripts/update-linux-headers.sh | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/scripts/update-linux-headers.sh b/scripts/update
From: Zhang Yi
besides the existing 'shared' flags, we are going to add
'is_pmem' to qemu_ram_mmap(), which indicated the memory backend
file is a persist memory.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
Reviewed-by: Pankaj Gupta
---
exec.c
From: Zhang Yi
Update it to 4.20-rc1
Signed-off-by: Zhang Yi
---
linux-headers/asm-arm/mman.h | 4 ++
linux-headers/asm-arm64/mman.h | 1 +
linux-headers/asm-generic/hugetlb_encode.h | 36 ++
linux-headers/asm-generic/mman-common.h| 77
elp user to identify the error.
(Dr. David Alan Gilbert)
* Patch 3: fix typo in the commit message. (Dr. David Alan Gilbert)
Changes in v2:
* Add 'sync' option to control the use of MAP_SYNC. (Eduardo Habkost)
* Remove the unnecessary set of MAP_SHARED_VALIDATE in some cases and
From: Zhang Yi
Add linux/mman.h,asm/mman.h,asm/mman-common.h to linux-headers,
So we can use more mmap2 flags.
Signed-off-by: Zhang Yi
---
scripts/update-linux-headers.sh | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/scripts/update-linux-headers.sh b/scripts/update
Add 'sync' option to control the use of MAP_SYNC. (Eduardo Habkost)
* Remove the unnecessary set of MAP_SHARED_VALIDATE in some cases and
the retry mechanism in qemu_ram_mmap(). (Michael S. Tsirkin)
* Move OS dependent definitions of MAP_SYNC and MAP_SHARED_VALIDATE
to osdep.h. (Mich
From: Zhang Yi
besides the existing 'shared' flags, we are going to add
'is_pmem' to qemu_ram_mmap(), which indicated the memory backend
file is a persist memory.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c| 2 +-
include/qe
From: Zhang Yi
Update it to 4.20-rc1
Signed-off-by: Zhang Yi
---
linux-headers/asm-arm/mman.h | 4 ++
linux-headers/asm-arm64/mman.h | 1 +
linux-headers/asm-generic/hugetlb_encode.h | 36 ++
linux-headers/asm-generic/mman-common.h| 77
From: Zhang Yi
Signed-off-by: Zhang Yi
---
docs/nvdimm.txt | 25 ++---
qemu-options.hx | 4
2 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/docs/nvdimm.txt b/docs/nvdimm.txt
index 5f158a6..e2bf89f 100644
--- a/docs/nvdimm.txt
+++ b/docs/nvdimm.txt
From: Zhang Yi
When a file supporting DAX is used as vNVDIMM backend, mmap it with
MAP_SYNC flag in addition which can ensure file system metadata
synced in each guest writes to the backend file, without other QEMU
actions (e.g., periodic fsync() by QEMU).
Current, We have below different
From: Zhang Yi
When a file supporting DAX is used as vNVDIMM backend, mmap it with
MAP_SYNC flag in addition which can ensure file system metadata
synced in each guest writes to the backend file, without other QEMU
actions (e.g., periodic fsync() by QEMU).
Current, We have below different
From: Zhang Yi
besides the existing 'shared' flags, we are going to add
'is_pmem' to qemu_ram_mmap(), which indicated the memory backend
file is a persist memory.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c| 2 +-
include/qe
From: Zhang Yi
Signed-off-by: Zhang Yi
---
docs/nvdimm.txt | 29 -
qemu-options.hx | 4
2 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/docs/nvdimm.txt b/docs/nvdimm.txt
index 5f158a6..9da96aa 100644
--- a/docs/nvdimm.txt
+++ b/docs/nvdimm.txt
P_SYNC. (Eduardo Habkost)
* Remove the unnecessary set of MAP_SHARED_VALIDATE in some cases and
the retry mechanism in qemu_ram_mmap(). (Michael S. Tsirkin)
* Move OS dependent definitions of MAP_SYNC and MAP_SHARED_VALIDATE
to osdep.h. (Michael S. Tsirkin)
Zhang Yi (3):
util/mmap-all
From: "Zhang,Yi"
Linux 4.15 introduces a new mmap flag MAP_SYNC, which can be used to
guarantee the write persistence to mmap'ed files supporting DAX (e.g.,
files on ext4/xfs file system mounted with '-o dax').
A description of MAP_SYNC and MAP_SHARED_VALIDATE
From: Zhang Yi
As more flag parameters besides the existing 'shared' are going to be
added to qemu_ram_mmap() and qemu_ram_alloc_from_{file,fd}(), let's
switch 'shared' to a 'flags' parameter in advance, so as to ease the
further additions.
Signed-off-by: Haoz
From: Zhang Yi
When a file supporting DAX is used as vNVDIMM backend, mmap it with
MAP_SYNC flag in addition which can ensure file system metadata
synced in each guest writes to the backend file, without other QEMU
actions (e.g., periodic fsync() by QEMU).
Current, We have below different
From: Zhang Yi
Signed-off-by: Zhang Yi
---
docs/nvdimm.txt | 29 -
qemu-options.hx | 4
2 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/docs/nvdimm.txt b/docs/nvdimm.txt
index 5f158a6..166c395 100644
--- a/docs/nvdimm.txt
+++ b/docs/nvdimm.txt
From: Zhang Yi
When there are multiple memory backends in use, including the object type
name and the property name in the error message can help users to locate
the error.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
Reviewed-by: Eduardo Habkost
Reviewed-by: Stefano Garzarella
When there are multiple memory backends in use, including the object type
name and the property name in the error message can help users to locate
the error.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
Reviewed-by: Eduardo Habkost
---
backends/hostmem-file.c | 6 --
backends
As more flag parameters besides the existing 'shared' are going to be
added to qemu_ram_mmap() and qemu_ram_alloc_from_{file,fd}(), let's
switch 'shared' to a 'flags' parameter in advance, so as to ease the
further additions.
Signed-off-by: Haozhong Zhang
S
Signed-off-by: Zhang Yi
---
docs/nvdimm.txt | 21 -
qemu-options.hx | 4
2 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/docs/nvdimm.txt b/docs/nvdimm.txt
index 5f158a6..565ba73 100644
--- a/docs/nvdimm.txt
+++ b/docs/nvdimm.txt
@@ -142,11 +142,30
When a file supporting DAX is used as vNVDIMM backend, mmap it with
MAP_SYNC flag in addition which can ensure file system metadata
synced in each guest writes to the backend file, without other QEMU
actions (e.g., periodic fsync() by QEMU).
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
Signed-off-by: Zhang Yi
Signed-off-by: Michael S. Tsirkin
---
include/exec/memory.h | 12 ++--
include/qemu/osdep.h | 9 +
2 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 667466b..03824d9 100644
--- a/include
object_get_canonical_path_component() returns a string which
must be freed using g_free().
Signed-off-by: Zhang Yi
Reviewed-by: Pankaj gupta
Reviewed-by: Igor Mammedov
Reviewed-by: Eduardo Habkost
---
numa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/numa.c b/numa.c
index 50ec016
error.
(Dr. David Alan Gilbert)
* Patch 3: fix typo in the commit message. (Dr. David Alan Gilbert)
Changes in v2:
* Add 'sync' option to control the use of MAP_SYNC. (Eduardo Habkost)
* Remove the unnecessary set of MAP_SHARED_VALIDATE in some cases and
the retry mechanism in qe
ss MAP_SYNC to mmap(2)
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 28
docs/nvdimm.txt | 23 ++-
exec.c| 2 +-
include/exec/memory.h | 4
include/exec/ram_addr
As more flag parameters besides the existing 'shared' are going to be
added to qemu_ram_mmap(), let's switch 'shared' to a 'flags' parameter
in advance, so as to ease the further additions.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
When a file supporting DAX is used as vNVDIMM backend, mmap it with
MAP_SYNC flag in addition which can ensure file system metadata
synced in each guest writes to the backend file, without other QEMU
actions (e.g., periodic fsync() by QEMU).
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
When there are multiple memory backends in use, including the object type
name, ID and the property name in the error message can help users to
locate the error.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 6 --
backends/hostmem.c | 8
object_get_canonical_path_component() returns a string which
must be freed using g_free().
Signed-off-by: Zhang Yi
Reviewed-by: Pankaj gupta
Reviewed-by: Igor Mammedov
---
numa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/numa.c b/numa.c
index 50ec016..3875e1e 100644
--- a/numa.c
anges in v2:
* Add 'sync' option to control the use of MAP_SYNC. (Eduardo Habkost)
* Remove the unnecessary set of MAP_SHARED_VALIDATE in some cases and
the retry mechanism in qemu_ram_mmap(). (Michael S. Tsirkin)
* Move OS dependent definitions of MAP_SYNC and MAP_SHARED_VALIDATE
to
When there are multiple memory backends in use, including the object type
name, ID and the property name in the error message can help users to
locate the error.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 6 --
backends/hostmem.c | 8
ported and 'share=on' 'pmem=on', work as
if 'sync=on'; otherwise, work as if 'sync=off'
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 39 +++
docs/nvdimm.txt |
object_get_canonical_path_component() returns a string which
must be freed using g_free().
Signed-off-by: Zhang Yi
Reviewed-by: Pankaj gupta
Reviewed-by: Igor Mammedov
---
numa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/numa.c b/numa.c
index 50ec016..3875e1e 100644
--- a/numa.c
Signed-off-by: Zhang Yi
A set of RAM_SYNC_ON_OFF_AUTO{AUTO,ON,OFF} flags are added to
qemu_ram_mmap():
- If RAM_SYNC_ON_OFF_AUTO_ON is present, qemu_ram_mmap() will try to pass
MAP_SYNC to mmap(). It will then fail if the host OS or the backend
file do not support MAP_SYNC, or MAP_SYNC is
: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c| 2 +-
include/exec/memory.h | 3 +++
include/exec/ram_addr.h | 1 +
include/qemu/mmap-alloc.h | 1 +
include/qemu/osdep.h | 29 +
util/mmap-alloc.c | 14 ++
6 files
As more flag parameters besides the existing 'shared' are going to be
added to qemu_ram_mmap(), let's switch 'shared' to a 'flags' parameter
in advance, so as to ease the further additions.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
Alan Gilbert)
Changes in v2:
* Add 'sync' option to control the use of MAP_SYNC. (Eduardo Habkost)
* Remove the unnecessary set of MAP_SHARED_VALIDATE in some cases and
the retry mechanism in qemu_ram_mmap(). (Michael S. Tsirkin)
* Move OS dependent definitions of MAP_SYNC and MAP
x27;share=on', work as if
'sync=on'; otherwise, work as if 'sync=off'
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 39 +++
docs/nvdimm.txt | 20 +++-
include/exec/memo
When there are multiple memory backends in use, including the object type
name, ID and the property name in the error message can help users to
locate the error.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 6 --
backends/hostmem.c | 8
Signed-off-by: Zhang Yi
A set of RAM_SYNC_ON_OFF_AUTO{AUTO,ON,OFF} flags are added to
qemu_ram_mmap():
- If RAM_SYNC_ON_OFF_AUTO_ON is present, qemu_ram_mmap() will try to pass
MAP_SYNC to mmap(). It will then fail if the host OS or the backend
file do not support MAP_SYNC, or MAP_SYNC is
As more flag parameters besides the existing 'shared' are going to be
added to qemu_ram_mmap(), let's switch 'shared' to a 'flags' parameter
in advance, so as to ease the further additions.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c| 2 +-
include/exec/memory.h | 3 +++
include/exec/ram_addr.h | 1 +
include/qemu/mmap-alloc.h | 1 +
include/qemu/osdep.h | 29 +
util/mmap-alloc.c | 13 +
6 files
object_get_canonical_path_component() returns a string which
must be freed using g_free().
Signed-off-by: Zhang Yi
Reviewed-by: Pankaj gupta
Reviewed-by: Igor Mammedov
---
numa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/numa.c b/numa.c
index 50ec016..3875e1e 100644
--- a/numa.c
y set of MAP_SHARED_VALIDATE in some cases and
the retry mechanism in qemu_ram_mmap(). (Michael S. Tsirkin)
* Move OS dependent definitions of MAP_SYNC and MAP_SHARED_VALIDATE
to osdep.h. (Michael S. Tsirkin)
Zhang Yi (6):
numa: Fixed the memory leak of numa error message
util/mmap-alloc: switch qemu_
ault): if MAP_SYNC is supported and 'share=on', work as if
'sync=on'; otherwise, work as if 'sync=off'
Zhang Yi (7):
numa: Fixed the memory leak of numa error message
util/mmap-alloc: switch qemu_ram_mmap() to 'flags' parameter
exec: switch qemu_ra
Signed-off-by: Zhang Yi
A set of RAM_SYNC_ON_OFF_AUTO{AUTO,ON,OFF} flags are added to
qemu_ram_mmap():
- If RAM_SYNC_ON_OFF_AUTO_ON is present, qemu_ram_mmap() will try to pass
MAP_SYNC to mmap(). It will then fail if the host OS or the backend
file do not support MAP_SYNC, or MAP_SYNC is
When there are multiple memory backends in use, including the object type
name, ID and the property name in the error message can help users to
locate the error.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 6 --
backends/hostmem.c | 8
As more flag parameters besides the existing 'shared' are going to be
added to qemu_ram_mmap(), let's switch 'shared' to a 'flags' parameter
in advance, so as to ease the further additions.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c
: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c| 2 +-
include/exec/memory.h | 3 +++
include/exec/ram_addr.h | 1 +
include/qemu/mmap-alloc.h | 1 +
include/standard-headers/linux/mman.h | 44
x27;share=on', work as if
'sync=on'; otherwise, work as if 'sync=off'
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 39 +++
docs/nvdimm.txt | 20 +++-
include/exec/memo
object_get_canonical_path_component() returns a string which
must be freed using g_free().
Signed-off-by: Zhang Yi
---
numa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/numa.c b/numa.c
index 50ec016..3875e1e 100644
--- a/numa.c
+++ b/numa.c
@@ -533,6 +533,7 @@ void
As more flag parameters besides the existing 'share' are going to be
added to qemu_ram_alloc_from_{file,fd}(), let's swith 'share' to a
'flags' parameters in advance, so as to ease the further additions.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang
When there are multiple memory backends in use, including the object type
name, ID and the property name in the error message can help users to
locate the error.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 6 --
backends/hostmem.c | 8
As more flag parameters besides the existing 'share' are going to be
added to qemu_ram_alloc_from_{file,fd}(), let's swith 'share' to a
'flags' parameters in advance, so as to ease the further additions.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang
x27;share=on', work as if
'sync=on'; otherwise, work as if 'sync=off'
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 39 +++
docs/nvdimm.txt | 20 +++-
include/exec/memo
: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c| 2 +-
include/exec/memory.h | 3 +++
include/exec/ram_addr.h | 1 +
include/qemu/mmap-alloc.h | 1 +
include/standard-headers/linux/mman.h | 44
Signed-off-by: Zhang Yi
A set of RAM_SYNC_ON_OFF_AUTO{AUTO,ON,OFF} flags are added to
qemu_ram_mmap():
- If RAM_SYNC_ON_OFF_AUTO_ON is present, qemu_ram_mmap() will try to pass
MAP_SYNC to mmap(). It will then fail if the host OS or the backend
file do not support MAP_SYNC, or MAP_SYNC is
emu_ram_mmap(). (Michael S. Tsirkin)
* Move OS dependent definitions of MAP_SYNC and MAP_SHARED_VALIDATE
to osdep.h. (Michael S. Tsirkin)
Zhang Yi (7):
numa: Fixed the memory leak of numa error message
util/mmap-alloc: switch qemu_ram_mmap() to 'flags' parameter
exec: switch qemu_ra
As more flag parameters besides the existing 'shared' are going to be
added to qemu_ram_mmap(), let's switch 'shared' to a 'flags' parameter
in advance, so as to ease the further additions.
Signed-off-by: Haozhong Zhang
Signed-off-by: Zhang Yi
---
exec.c
object_get_canonical_path_component() returns a string which
must be freed using g_free().
Signed-off-by: Zhang Yi
---
numa.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/numa.c b/numa.c
index 50ec016..3875e1e 100644
--- a/numa.c
+++ b/numa.c
@@ -533,6 +533,7 @@ void
We will never get the canonical path from the object
before object_property_add_child.
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 14 --
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c
index 639c8d4..9691c48
object_get_canonical_path_component() returns a string which
must be freed using g_free().
Reported-by: Peter Maydell
Signed-off-by: Michael S. Tsirkin
Signed-off-by: Zhang Yi
---
backends/hostmem-file.c | 10 --
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/backends
On δΈ€, 2018-06-11 at 19:55 -0700, Dan Williams wrote:
> On Mon, Jun 11, 2018 at 9:26 AM, Stefan Hajnoczi > wrote:
> >
> > On Mon, Jun 11, 2018 at 06:54:25PM +0800, Zhang Yi wrote:
> > >
> > > Nvdimm driver use Memory hot-plug APIs to map it's pmem resou
won't
align to the 128 MB memory section size.
Signed-off-by: Zhang Yi
---
hw/mem/nvdimm.c | 2 +-
include/hw/mem/nvdimm.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c
index 4087aca..ff6e171 100644
--- a/hw/mem/nvdimm.c
++
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