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kunit: tool: Enable virtio/PCI by default on UML

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There are several tests which depend on PCI, and hence need a bunch of
extra options to run under UML. This makes it awkward to give
configuration instructions (whether in documentation, or as part of a
.kunitconfig file), as two separate, incompatible sets of config options
are required for UML and "most other architectures".

For non-UML architectures, it's possible to add default kconfig options
via the qemu_config python files, but there's no equivalent for UML. Add
a new tools/testing/kunit/configs/arch_uml.config file containing extra
kconfig options to use on UML.

Tested-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
David Gow
2022-07-08 16:27:11 +00:00
committed by Shuah Khan
parent 53b466219f
commit 6fc3a8636a
3 changed files with 27 additions and 4 deletions
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14
tools/testing/kunit/kunit_kernel.py
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@@ -26,6 +26,7 @@ KUNITCONFIG_PATH = '.kunitconfig'
OLD_KUNITCONFIG_PATH = 'last_used_kunitconfig'
DEFAULT_KUNITCONFIG_PATH = 'tools/testing/kunit/configs/default.config'
BROKEN_ALLCONFIG_PATH = 'tools/testing/kunit/configs/broken_on_uml.config'
UML_KCONFIG_PATH = 'tools/testing/kunit/configs/arch_uml.config'
OUTFILE_PATH = 'test.log'
ABS_TOOL_PATH = os.path.abspath(os.path.dirname(__file__))
QEMU_CONFIGS_DIR = os.path.join(ABS_TOOL_PATH, 'qemu_configs')
@@ -53,7 +54,7 @@ class LinuxSourceTreeOperations:
except subprocess.CalledProcessError as e:
raise ConfigError(e.output.decode())
def make_arch_qemuconfig(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
def make_arch_config(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
return base_kunitconfig
def make_allyesconfig(self, build_dir: str, make_options) -> None:
@@ -109,7 +110,7 @@ class LinuxSourceTreeOperationsQemu(LinuxSourceTreeOperations):
self._kernel_command_line = qemu_arch_params.kernel_command_line + ' kunit_shutdown=reboot'
self._extra_qemu_params = qemu_arch_params.extra_qemu_params
def make_arch_qemuconfig(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
def make_arch_config(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
kconfig = kunit_config.parse_from_string(self._kconfig)
kconfig.merge_in_entries(base_kunitconfig)
return kconfig
@@ -138,6 +139,11 @@ class LinuxSourceTreeOperationsUml(LinuxSourceTreeOperations):
def __init__(self, cross_compile=None):
super().__init__(linux_arch='um', cross_compile=cross_compile)
def make_arch_config(self, base_kunitconfig: kunit_config.Kconfig) -> kunit_config.Kconfig:
kconfig = kunit_config.parse_file(UML_KCONFIG_PATH)
kconfig.merge_in_entries(base_kunitconfig)
return kconfig
def make_allyesconfig(self, build_dir: str, make_options) -> None:
stdout.print_with_timestamp(
'Enabling all CONFIGs for UML...')
@@ -298,7 +304,7 @@ class LinuxSourceTree:
if build_dir and not os.path.exists(build_dir):
os.mkdir(build_dir)
try:
self._kconfig = self._ops.make_arch_qemuconfig(self._kconfig)
self._kconfig = self._ops.make_arch_config(self._kconfig)
self._kconfig.write_to_file(kconfig_path)
self._ops.make_olddefconfig(build_dir, make_options)
except ConfigError as e:
@@ -329,7 +335,7 @@ class LinuxSourceTree:
return self.build_config(build_dir, make_options)
existing_kconfig = kunit_config.parse_file(kconfig_path)
self._kconfig = self._ops.make_arch_qemuconfig(self._kconfig)
self._kconfig = self._ops.make_arch_config(self._kconfig)
if self._kconfig.is_subset_of(existing_kconfig) and not self._kunitconfig_changed(build_dir):
return True