lttng-modules: update to v2.12.6

To support building against v5.12+ and v5.13+ kernels, bumping to the
v2.12.6 lttng-release.

We drop the previously backported patches, and bring in the following
commits:

   0d8e4ab9 Version 2.12.6
   78f56ae3 fix: adjust ranges for RHEL 8.2 and 8.3
   4c996ea7 Disable block rwbs bitwise enum in default build
   4ac46085 Disable sched_switch bitwise enum in default build
   5e22c27b Add experimental bitwise enum config option
   937d307e Add defaults to Kconfig options
   4a114d43 Sync `show_inode_state()` macro with upstream stable kernels
   3bd6ac3e fix: block: remove disk_part_iter (v5.12)
   8bbb8c9d Fix: Backport of "Fix: increment buffer offset when failing to copy from user-space"
   30cddf69 Fix: increment buffer offset when failing to copy from user-space
   4733b9ab Sync `show_inode_state()` macro with Ubuntu 4.15 kernel
   ff21ec48 fix: mm, tracing: kfree event name mismatching with provider kmem (v5.12)
   b2b02c29 Set 'stable-2.12' branch in git review config
   00b42dbf fix backport: block: add a disk_uevent helper (v5.12)
   771ff089 fix: Adjust ranges for Ubuntu 5.4.0-67 kernel
   d8933959 fix: block: add a disk_uevent helper (v5.12)
   71034df1 Fix: properly compare type enumeration
   4d879d23 compiler warning cleanup: is_signed_type: compare -1 to 1
   fead3a9c Fix: bytecode linker: validate event and field array/sequence encoding
   92cc3e7f Fix: kretprobe: null ptr deref on session destroy
   49c603ef fix: mm, tracing: record slab name for kmem_cache_free() (v5.12)
   23a2f61f Fix: filter interpreter early-exits on uninitialized value
   b3fdf78b Fix: memory leaks on event destroy

(From OE-Core rev: c2f027b8e2f842915a0ffdfd6c2c0597f3b02bce)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 42 insertions, 0 deletions

diff --git a/meta/recipes-kernel/lttng/lttng-modules_2.12.6.bb b/meta/recipes-kernel/lttng/lttng-modules_2.12.6.bb
new file mode 100644
index 0000000000..94e849de59
--- /dev/null
+++ b/meta/recipes-kernel/lttng/lttng-modules_2.12.6.bb
@@ -0,0 +1,42 @@
+SECTION = "devel"
+SUMMARY = "Linux Trace Toolkit KERNEL MODULE"
+DESCRIPTION = "The lttng-modules 2.0 package contains the kernel tracer modules"
+HOMEPAGE = "https://lttng.org/"
+LICENSE = "LGPLv2.1 & GPLv2 & MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=3f882d431dc0f32f1f44c0707aa41128"
+
+inherit module
+
+include lttng-platforms.inc
+
+SRC_URI = "https://lttng.org/files/${BPN}/${BPN}-${PV}.tar.bz2 \
+           file://Makefile-Do-not-fail-if-CONFIG_TRACEPOINTS-is-not-en.patch \
+           "
+
+SRC_URI[sha256sum] = "95ac2a2cf92d85d23ffbdaca6a1ec0d7c167211d1e0fb850ab90004a3f475eaa"
+
+export INSTALL_MOD_DIR="kernel/lttng-modules"
+
+EXTRA_OEMAKE += "KERNELDIR='${STAGING_KERNEL_DIR}'"
+
+do_install_append() {
+        # Delete empty directories to avoid QA failures if no modules were built
+        find ${D}/${nonarch_base_libdir} -depth -type d -empty -exec rmdir {} \;
+}
+
+python do_package_prepend() {
+    if not os.path.exists(os.path.join(d.getVar('D'), d.getVar('nonarch_base_libdir')[1:], 'modules')):
+        bb.warn("%s: no modules were created; this may be due to CONFIG_TRACEPOINTS not being enabled in your kernel." % d.getVar('PN'))
+}
+
+BBCLASSEXTEND = "devupstream:target"
+LIC_FILES_CHKSUM_class-devupstream = "file://LICENSE;md5=0464cff101a009c403cd2ed65d01d4c4"
+DEFAULT_PREFERENCE_class-devupstream = "-1"
+SRC_URI_class-devupstream = "git://git.lttng.org/lttng-modules;branch=stable-2.13 \
+           file://0001-src-Kbuild-change-missing-CONFIG_TRACEPOINTS-to-warn.patch \
+           "
+
+SRCREV_class-devupstream = "f982b51a98a29cb4aaf607cb9bbf2b509d8e6933"
+PV_class-devupstream = "2.13.0-rc2+git${SRCPV}"
+S_class-devupstream = "${WORKDIR}/git"
+SRCREV_FORMAT ?= "lttng_git"