the beginning of the ring buffer.
Signed-off-by: Pawel Wieczorkiewicz
---
common/xenbus.c | 6 ++
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/common/xenbus.c b/common/xenbus.c
index 59159f2..24fff48 100644
--- a/common/xenbus.c
+++ b/common/xenbus.c
@@ -31,9 +31,7 @@ static
In arch_setup() detect Xen version by issuing xen_version hypercall
and optionally pass the version to main_xtf().
Signed-off-by: Pawel Wieczorkiewicz
---
Changed since v1:
* Do not limit setup_pv_console() to HVM only. It does not crash.
It merely panics because the callbacks array wasn&#
The explicit LFCR sequence guarantees proper line by line formatting
in the output.
The '\n' character alone on some terminals is not automatically
converted to LFCR.
Signed-off-by: Pawel Wieczorkiewicz
---
Changed since v1:
* Emit CRLF instead of LFCR
common/libc/vsnpri
This is the first series of XTF patches I intend to send.
It covers some relatively small changes displaying Xen version on test
start, as well as adding serial consol support for HVM guests..
Paul Semel (1):
Enabled serial writing for hvm guests
Pawel Wieczorkiewicz (3):
lib: Add XEN_MAJOR
From: Paul Semel
setup.c: PV console writing is not working in Xen 4.2 for hvm
guests, so we make xtf write to COM1 serial port to get its output
Signed-off-by: Paul Semel
Signed-off-by: Pawel Wieczorkiewicz
---
Changed since v1:
* Increase callbacks array
arch/x86/setup.c | 14
These are just a simple macros obtaining major, minor values as
returned by xen_version hypercall.
Signed-off-by: Pawel Wieczorkiewicz
---
include/xtf/lib.h| 3 +++
tests/xsa-213/main.c | 4 ++--
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/xtf/lib.h b/include/xtf
The function was derived from:
https://github.com/freebsd/freebsd/blob/master/lib/libc/stdlib/strtoul.c
Sligthly modified to use ctypes helpers and ignore locale.
Signed-off-by: Pawel Wieczorkiewicz
---
common/libc/strtol.c | 69
include/xtf
These ctype.h derived helper functions simplify strtol() code and will
help simplify strtoul().
Signed-off-by: Pawel Wieczorkiewicz
---
common/lib.c| 8
common/libc/strtol.c| 9 +++--
common/libc/vsnprintf.c | 8
include/xtf/libc.h | 29
From: Paul Semel
Added freebsd libc implementation of the strtol() function.
Original can be found here :
https://github.com/freebsd/freebsd/blob/master/lib/libc/stdlib/strtol.c
Signed-off-by: Paul Semel
---
build/files.mk | 1 +
common/libc/strtol.c | 135 +
Signed-off-by: Pawel Wieczorkiewicz
---
common/libc/string.c | 11 +++
include/xtf/libc.h | 3 +++
2 files changed, 14 insertions(+)
diff --git a/common/libc/string.c b/common/libc/string.c
index 5c25e27..d81e324 100644
--- a/common/libc/string.c
+++ b/common/libc/string.c
@@ -56,6
eeded.
Also add simple implementation of the strncmp() function.
Paul Semel (1):
string: add freebds libc implementation of strtol()
Pawel Wieczorkiewicz (3):
libc, strtol: Add isspace(), isdigit(), isxdigit(), isascii()
libc, strtol: Add FreeBSD libc implementation of strtoul()
libc: add st
From: Paul Semel
Add the following helper functions:
- nspin_sleep()
- spin_sleep()
- mspin_sleep()
Add the following helper macros:
- sleep()
- msleep()
- NOW()
Signed-off-by: Paul Semel
---
common/time.c | 58 ++
include/x
Signed-off-by: Pawel Wieczorkiewicz
---
include/xen/event_channel.h | 7 +++
1 file changed, 7 insertions(+)
diff --git a/include/xen/event_channel.h b/include/xen/event_channel.h
index 62ee95a..6253b89 100644
--- a/include/xen/event_channel.h
+++ b/include/xen/event_channel.h
@@ -2,6 +2,7
From: Paul Semel
This function returns the "epoch" time.
Signed-off-by: Paul Semel
---
common/time.c | 16
include/xtf/time.h | 4
2 files changed, 20 insertions(+)
diff --git a/common/time.c b/common/time.c
index b9a6531..7decd07 100644
--- a/common/time.c
+++ b/c
From: Paul Semel
This commit introduces basic time management functionality.
For synchronization purpose, we do really want to be able to
"control" time.
Add since_boot_time() that gets the time in nanoseconds from the
moment the VM has booted.
Signed-off-by: Paul Semel
Signed-off
From: Paul Semel
Signed-off-by: Paul Semel
---
common/time.c | 14 ++
include/xtf/time.h | 12
2 files changed, 26 insertions(+)
diff --git a/common/time.c b/common/time.c
index 7decd07..fffae1c 100644
--- a/common/time.c
+++ b/common/time.c
@@ -90,6 +90,20 @@ uin
In order to easily translate CPU cycles to time values add the
following helpers:
- cycles2nsec()
- cycles2usec()
- cycles2msec()
Signed-off-by: Pawel Wieczorkiewicz
---
common/time.c | 17 +
include/xtf/time.h | 5 -
2 files changed, 21 insertions(+), 1 deletion
Pawel Wieczorkiewicz (2):
time: Add cycles2{n,u,m}sec functions
event_channels: Add EVTCHNOP_bind_vcpu hypercall support
build/files.mk | 1 +
common/time.c | 190
include/xen/event_channel.h | 7 ++
include/xtf
version to main_xtf().
Signed-off-by: Paul Semel
Signed-off-by: Pawel Wieczorkiewicz
---
arch/x86/setup.c| 20 ++--
common/setup.c | 6 +-
include/xtf/framework.h | 2 +-
3 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/arch/x86/setup.c b/arch/x86
This is the first series of XTF patches I intend to send.
It covers some relatively small fixes to handling of PV console
by HVM guests, as well as adding serial consol support.
Paul Semel (2):
Enabled serial writing for hvm guests
setup: Setup PV console for HVM guests on xen >4.2
Pa
The explicit LFCR sequence guarantees proper line by line formatting
in the output.
The '\n' character alone on some terminals is not automatically
converted to LFCR.
Signed-off-by: Pawel Wieczorkiewicz
---
common/libc/vsnprintf.c | 10 ++
1 file changed, 10 insertions(+)
di
These are just a simple macros obtaining major, minor values as
returned by xen_version hypercall.
Signed-off-by: Pawel Wieczorkiewicz
---
include/xtf/lib.h| 3 +++
tests/xsa-213/main.c | 4 ++--
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/xtf/lib.h b/include/xtf
From: Paul Semel
setup.c: PV console writing is not working in Xen 4.2 for hvm
guests, so we make xtf write to COM1 serial port to get its output
Signed-off-by: Paul Semel
Signed-off-by: Pawel Wieczorkiewicz
---
arch/x86/setup.c | 14 ++
1 file changed, 14 insertions(+)
diff
Fix c&p bug in the livepatch_do_action() code of
LIVEPATCH_ACTION_REPLACE case.
The correct variable handling return code of revert action is
other->rc in this case.
Coverity-ID: 1457467
Fixes: 6047104c3c ("livepatch: Add per-function applied/reverted state tracking
marker")
Sig
There was a bunch of typos (s/actions/action/) as well as one missing
config.h target dependency. Also, xen_expectation target has
unnecessary cycle dependency.
Signed-off-by: Pawel Wieczorkiewicz
---
xen/test/livepatch/Makefile | 12 +++-
1 file changed, 7 insertions(+), 5 deletions
must be evaluated first.
Signed-off-by: Pawel Wieczorkiewicz
Reported-by: Sergey Dyasli
---
create-diff-object.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/create-diff-object.c b/create-diff-object.c
index 1ce5c09..a516670 100644
--- a/create-diff-object.c
+++ b
The .init sections must not be considered for patching regardless of
whether they are CHANGED or NEW.
Explicitely detect and ignore all such sections, before marking
ignored sections as SAME.
Signed-off-by: Pawel Wieczorkiewicz
---
common.c | 7 +++
common.h | 1
The livepatch-build-tools MAINTAINERS file is missing V: version
identifier. This seems required by the Xen repo's add_maintainers.pl
script.
Signed-off-by: Pawel Wieczorkiewicz
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index de2aedb..aa
This seems required by the Xen repo's add_maintainers.pl script.
Signed-off-by: Pawel Wieczorkiewicz
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index de2aedb..aa04d06 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9,3 +9,4 @@ L: xen-
files
space.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Ross Lagerwall
---
livepatch-build | 55 +--
1 file changed, 53 insertions(+), 2 deletions(-)
diff --git a/livepatch-build b/livepatch-build
index 9e5bad3..e1715ea 100755
--- a/l
Include new sections containing optional pre-, post- action hooks.
The following new section names are supported:
- .livepatch.hooks.preapply
- .livepatch.hooks.postapply
- .livepatch.hooks.prerevert
- .livepatch.hooks.postrevert
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Ross
Include new sections containing optional apply and revert action
hooks.
The following new section names are supported:
- .livepatch.hooks.apply
- .livepatch.hooks.revert
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Ross Lagerwall
---
create-diff-object.c | 10 ++
1 file
citly specified in the patch.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Ross Lagerwall
---
Changed since v1:
* Do not bump the payload version again.
---
common.h | 11 ++-
create-diff-object.c | 1 +
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/com
linking
the transient hooks symbols are not stripped and neither are any
unneeded symbols. Strip the transient hooks symbols explicitly from
resulting object file.
Add a new option '--strip' to additionally strip all unneeded symbols
from new object files.
Signed-off-by: Pawel Wiec
vided as a command line
parameter: --xen-depends.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Norbert Manthey
Reviewed-by: Ross Lagerwall
---
livepatch-build | 16 +++-
1 file changed, 15 insertions(+), 1 deletion(-)
.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Ross Lagerwall
---
common.h | 2 ++
create-diff-object.c | 4 +++-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/common.h b/common.h
index 300e508..9f9cb7b 100644
--- a/common.h
+++ b/common.h
@@ -124,6 +124,8
create empty .livepatch.funcs section
create-diff-object: Extend patchability verification: STN_UNDEF
create-diff-object: Strip all undefined entires of known size
Pawel Wieczorkiewicz (7):
[1] livepatch-build: Embed hypervisor build id into every hotpatch
[2] create-diff-object: Handle extra
s
reverted. That is obviously insecure. Use it with caution and act
upon replace errors!
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Change
y=value\0key=value\0...key=value\0. The format is
modified to the following one: key=value;key=value;...key=value.
The new format allows to easily parse the metadata for a given module
by a machine.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
xtra features
in the future.
To simplify the alternative function generation move code responsible
for payload and livepatch region registration outside of the function.
That way it is guaranteed that the registration step occurs even for
newly supplied functions.
Signed-off-by: Pawel Wieczorkiewicz
R
the errno value
received from its corresponding libxc function call.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Martin Mazein
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Leonard Foerster
Reviewed-by: Norbert Manthey
Acked-by: Marek Marczykowski-Górecki
Reviewed-by: Ross Lagerwall
-
.
Check also all extended hooks sections if they are a single, non-empty
sections each.
At least one of the functions or hooks section must be present in a
valid payload.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin Pohlack
t it is expected
that the tool receives the exact number of entries as requested.
The xen-livepatch tool has been also modified to handle the name
back-to-back transfers correctly.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin
cture along with all field definitions needs to be available
to the code being patched in.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Eslam Elnikety
Reviewed-by: Leonard Foerster
Reviewed-by: Martin Pohlack
Reviewed-by: Ross Lagerwall
Signed-off-by: K
ooks.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Petre Eftime
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Changed since v3:
* s/hotpatch/livepatch/g
* s/bool_t/bool
corresponding flag macro:
LIVEPATCH_ACTION_APPLY_NODEPS (1 << 0)
The userland xen-livepatch tool is modified to support the '--nodeps'
flag for apply and load commands. A general mechanism for specifying
more flags in the future for apply and other action is however added.
Signed-off-by:
holding
the applied/reverted state marker.
To reflect the livepatch payload ABI change, bump the version flag
LIVEPATCH_PAYLOAD_VERSION up to 2.
[And also update the top of the design document]
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
ed in the
livepatch payload structure and is used to display the content upon
livepatch apply operation.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Leonard Foerster
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
S
livepatch: always print XENLOG_ERR information
Pawel Wieczorkiewicz (12):
livepatch: Always check hypervisor build ID upon livepatch upload
livepatch: Allow to override inter-modules buildid dependency
livepatch: Export payload structure via livepatch_payload.h
livepatch: Implement pre-|post-
payload if there is no match.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Eslam Elnikety
Reviewed-by: Martin Pohlack
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Changed since v3:
* renamed check_xe
y=value\0key=value\0...key=value\0. The format is
modified to the following one: key=value;key=value;...key=value.
The new format allows to easily parse the metadata for a given module
by a machine.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
ed in the
livepatch payload structure and is used to display the content upon
livepatch apply operation.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Leonard Foerster
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
S
t it is expected
that the tool receives the exact number of entries as requested.
The xen-livepatch tool has been also modified to handle the name
back-to-back transfers correctly.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin
cture along with all field definitions needs to be available
to the code being patched in.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Eslam Elnikety
Reviewed-by: Leonard Foerster
Reviewed-by: Martin Pohlack
Reviewed-by: Ross Lagerwall
Signed-off-by: K
s
reverted. That is obviously insecure. Use it with caution and act
upon replace errors!
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Change
holding
the applied/reverted state marker.
To reflect the livepatch payload ABI change, bump the version flag
LIVEPATCH_PAYLOAD_VERSION up to 2.
[And also update the top of the design document]
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
.
Check also all extended hooks sections if they are a single, non-empty
sections each.
At least one of the functions or hooks section must be present in a
valid payload.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin Pohlack
the errno value
received from its corresponding libxc function call.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Martin Mazein
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Leonard Foerster
Reviewed-by: Norbert Manthey
Acked-by: Marek Marczykowski-Górecki
---
Changed since v4:
* cha
ooks.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Petre Eftime
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Changed since v3:
* s/hotpatch/livepatch/g
* s/bool_t/bool
corresponding flag macro:
LIVEPATCH_ACTION_APPLY_NODEPS (1 << 0)
The userland xen-livepatch tool is modified to support the '--nodeps'
flag for apply and load commands. A general mechanism for specifying
more flags in the future for apply and other action is however added.
Signed-off-by:
xtra features
in the future.
To simplify the alternative function generation move code responsible
for payload and livepatch region registration outside of the function.
That way it is guaranteed that the registration step occurs even for
newly supplied functions.
Signed-off-by: Pawel Wieczorkiewicz
R
payload if there is no match.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Eslam Elnikety
Reviewed-by: Martin Pohlack
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Changed since v3:
* renamed check_xe
:
[a]
https://wiki.xenproject.org/wiki/Design_Sessions_2019#LivePatch_improvements_and_features
[b] https://lists.xenproject.org/archives/html/xen-devel/2019-07/msg00846.html
Merged in v1:
python: Add XC binding for Xen build ID
livepatch: always print XENLOG_ERR information
Pawel Wieczorki
symbols to slip
through.
Detect .rodata section by checking section's type (SHT_PROGBITS),
flags (no exec, no write) and finally name prefix.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Norbert Manthey
---
common.c
The rela groups in the *.fixup sections vary in size. That makes it
more complex to handle in the livepatch_strip_undefined_elements().
It is also unnecessary as the .fixup sections are unlikely to have
any STN_UNDEF symbols anyway.
Signed-off-by: Pawel Wieczorkiewicz
---
create-diff-object.c
payload if there is no match.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Eslam Elnikety
Reviewed-by: Martin Pohlack
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Changed since v3:
* renamed check_xe
t it is expected
that the tool receives the exact number of entries as requested.
The xen-livepatch tool has been also modified to handle the name
back-to-back transfers correctly.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin
xtra features
in the future.
To simplify the alternative function generation move code responsible
for payload and livepatch region registration outside of the function.
That way it is guaranteed that the registration step occurs even for
newly supplied functions.
Signed-off-by: Pawel Wieczorkiewicz
R
holding
the applied/reverted state marker.
To reflect the livepatch payload ABI change, bump the version flag
LIVEPATCH_PAYLOAD_VERSION up to 2.
[And also update the top of the design document]
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
the errno value
received from its corresponding libxc function call.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Martin Mazein
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Leonard Foerster
Reviewed-by: Norbert Manthey
Acked-by: Marek Marczykowski-Górecki
---
Changed since v3:
* r
ed in the
livepatch payload structure and is used to display the content upon
livepatch apply operation.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Leonard Foerster
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
S
.
Check also all extended hooks sections if they are a single, non-empty
sections each.
At least one of the functions or hooks section must be present in a
valid payload.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin Pohlack
y=value\0key=value\0...key=value\0. The format is
modified to the following one: key=value;key=value;...key=value.
The new format allows to easily parse the metadata for a given module
by a machine.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
s
reverted. That is obviously insecure. Use it with caution and act
upon replace errors!
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
Reviewed-by: Ross Lagerwall
---
Change
:
[a]
https://wiki.xenproject.org/wiki/Design_Sessions_2019#LivePatch_improvements_and_features
[b] https://lists.xenproject.org/archives/html/xen-devel/2019-07/msg00846.html
Merged in v1:
python: Add XC binding for Xen build ID
livepatch: always print XENLOG_ERR information
Pawel Wieczorki
corresponding flag macro:
LIVEPATCH_ACTION_APPLY_NODEPS (1 << 0)
The userland xen-livepatch tool is modified to support the '--nodeps'
flag for apply and load commands. A general mechanism for specifying
more flags in the future for apply and other action is however added.
Signed-off-by:
cture along with all field definitions needs to be available
to the code being patched in.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Eslam Elnikety
Reviewed-by: Leonard Foerster
Reviewed-by: Martin Pohlack
Reviewed-by: Ross Lagerwall
Signed-off-by: K
ooks.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Petre Eftime
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
---
Changed since v3:
* s/hotpatch/livepatch/g
* s/bool_t/bool/g
Changed since v1:
*
symbols to slip
through.
Detect .rodata section by checking section's type (SHT_PROGBITS),
flags (no exec, no write) and finally name prefix.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Norbert Manthey
---
common.c
e
received from its corresponding libxc function call.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Martin Mazein
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Leonard Foerster
Reviewed-by: Norbert Manthey
Acked-by: Marek Marczykowski-Górecki
---
Changed since v1:
* changed PyList_App
files
space.
Signed-off-by: Pawel Wieczorkiewicz
---
livepatch-build | 55 +--
1 file changed, 53 insertions(+), 2 deletions(-)
diff --git a/livepatch-build b/livepatch-build
index 816064c..be459c9 100755
--- a/livepatch-build
+++ b/livepa
linking
the transient hooks symbols are not stripped and neither are any
unneeded symbols. Strip them explicitly from resulting object file.
Signed-off-by: Pawel Wieczorkiewicz
---
livepatch-build | 25 +
1 file changed, 25 insertions(+)
diff --git a/livepatch-build b
vided as a command line
parameter: --xen-depends.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Norbert Manthey
---
livepatch-build | 16 +++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/livepat
citly specified in the patch.
Signed-off-by: Pawel Wieczorkiewicz
---
Changed since v1:
* Do not bump the payload version again.
common.h | 11 ++-
create-diff-object.c | 1 +
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/common.h b/common.h
index d8
.
Signed-off-by: Pawel Wieczorkiewicz
---
common.h | 2 ++
create-diff-object.c | 4 +++-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/common.h b/common.h
index 06e19e7..d8cde35 100644
--- a/common.h
+++ b/common.h
@@ -124,6 +124,8 @@ struct livepatch_patch_func
Include new sections containing optional apply and revert action
hooks.
The following new section names are supported:
- .livepatch.hooks.apply
- .livepatch.hooks.revert
Signed-off-by: Pawel Wieczorkiewicz
---
create-diff-object.c | 10 ++
1 file changed, 10 insertions(+)
diff
Include new sections containing optional pre-, post- action hooks.
The following new section names are supported:
- .livepatch.hooks.preapply
- .livepatch.hooks.postapply
- .livepatch.hooks.prerevert
- .livepatch.hooks.postrevert
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Ross
create empty .livepatch.funcs section
create-diff-object: Extend patchability verification: STN_UNDEF
create-diff-object: Strip all undefined entires of known size
Pawel Wieczorkiewicz (7):
[1] livepatch-build: Embed hypervisor build id into every hotpatch
[2] create-diff-object: Handle extra
holding
the applied/reverted state marker.
To reflect the livepatch payload ABI change, bump the version flag
LIVEPATCH_PAYLOAD_VERSION up to 2.
[And also update the top of the design document]
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
t it is expected
that the tool receives the exact number of entires as requested.
The xen-livepatch tool has been also modified to handle the name
back-to-back transfers correctly.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin
s
reverted. That is obviously insecure. Use it with caution and act
upon replace errors!
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
---
Changed since v2:
* Add rsv in the fie
n the
hotpatch payload structure and is used to display the content upon
hotpatch apply operation.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Leonard Foerster
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-o
ooks.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Petre Eftime
Reviewed-by: Martin Pohlack
Reviewed-by: Norbert Manthey
Signed-off-by: Konrad Rzeszutek Wilk
---
Changed since v1:
* added corresponding documentation
* adde
e
received from its corresponding libxc function call.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Martin Mazein
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Leonard Foerster
Reviewed-by: Norbert Manthey
---
Changed since v1:
* changed PyList_Append() with PyList_SetItem() as re
payload if there is no match.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Eslam Elnikety
Reviewed-by: Martin Pohlack
Signed-off-by: Konrad Rzeszutek Wilk
---
Changed since v1:
* always print XENLOG_ERR message from check_xe
corresponding flag macro:
LIVEPATCH_ACTION_APPLY_NODEPS (1 << 0)
The userland xen-livepatch tool is modified to support the '--nodeps'
flag for apply and load commands. A general mechanism for specifying
more flags in the future for apply and other action is however added.
Signed-off-by: Pawel
1:
python: Add XC binding for Xen build ID
livepatch: always print XENLOG_ERR information
Pawel Wieczorkiewicz (12):
[1] livepatch: Always check hypervisor build ID upon hotpatch upload
[2] livepatch: Allow to override inter-modules buildid dependency
[3] livepatch: Export payload str
.
Check also all extended hooks sections if they are a single, non-empty
sections each.
At least one of the functions or hooks section must be present in a
valid payload.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Bjoern Doebel
Reviewed-by: Martin Pohlack
xtra features
in the future.
To simplify the alternative function generation move code responsible
for payload and hotpatch region registration outside of the function.
That way it is guaranteed that the registration step occurs even for
newly supplied functions.
Signed-off-by: Pawel Wieczorkiewicz
R
y=value\0key=value\0...key=value\0. The format is
modified to the following one: key=value;key=value;...key=value.
The new format allows to easily parse the metadata for a given module
by a machine.
Signed-off-by: Pawel Wieczorkiewicz
Reviewed-by: Andra-Irina Paraschiv
Reviewed-by: Martin Pohlack
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