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rootfs.py: Add check for kernel modules before running depmod

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Add a check for kernel modules so we don't un-necessarily run the depmods, this
will also handle the case with linux-dummy does not place the kernel-abiversion
since it also does not have kernel modules.

[YOCTO #7884]

(From OE-Core rev: 1b696a45ddb00fbe1d993b19339071486d0cfef2)

Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Saul Wold
2015-06-26 11:23:06 -07:00
committed by Richard Purdie
parent 7e074c3641
commit 38d8f2eb9f
1 changed files with 16 additions and 2 deletions
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18
meta/lib/oe/rootfs.py
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@@ -304,16 +304,30 @@ class Rootfs(object):
self._exec_shell_cmd(['ldconfig', '-r', self.image_rootfs, '-c',
'new', '-v'])
def _check_for_kernel_modules(self, modules_dir):
for root, dirs, files in os.walk(modules_dir, topdown=True):
for name in files:
found_ko = name.endswith(".ko")
if found_ko:
return found_ko
return False
def _generate_kernel_module_deps(self):
modules_dir = os.path.join(self.image_rootfs, 'lib', 'modules')
# if we don't have any modules don't bother to do the depmod
if not self._check_for_kernel_modules(modules_dir):
bb.note("No Kernel Modules found, not running depmod")
return
kernel_abi_ver_file = oe.path.join(self.d.getVar('PKGDATA_DIR', True), "kernel-depmod",
'kernel-abiversion')
if not os.path.exists(kernel_abi_ver_file):
bb.fatal("No kernel-abiversion file found (%s), cannot run depmod, aborting" % kernel_abi_ver_file)
kernel_ver = open(kernel_abi_ver_file).read().strip(' \n')
modules_dir = os.path.join(self.image_rootfs, 'lib', 'modules', kernel_ver)
versioned_modules_dir = os.path.join(self.image_rootfs, modules_dir, kernel_ver)
bb.utils.mkdirhier(modules_dir)
bb.utils.mkdirhier(versioned_modules_dir)
self._exec_shell_cmd(['depmodwrapper', '-a', '-b', self.image_rootfs, kernel_ver])