Mailing List Archive

[PATCH 4/4] linux-mod.eclass: Fix xz compression options
Match xz compression options to the ones used by the kernel,
as the xz decoder used by the kernel supports only a subset of the xz
format.

Bug: https://bugs.gentoo.org/920837
Signed-off-by: Micha? Górny <mgorny@gentoo.org>
---
eclass/linux-mod.eclass | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/eclass/linux-mod.eclass b/eclass/linux-mod.eclass
index 26d8cac47ef0..c71ace53aa00 100644
--- a/eclass/linux-mod.eclass
+++ b/eclass/linux-mod.eclass
@@ -689,7 +689,9 @@ linux-mod_src_install() {
# and similarly compress the module being built if != NONE.

if linux_chkconfig_present MODULE_COMPRESS_XZ; then
- xz -T$(makeopts_jobs) --memlimit-compress=50% -q ${modulename}.${KV_OBJ} || die "Compressing ${modulename}.${KV_OBJ} with xz failed"
+ # match kernel compression options for compatibility
+ # https://bugs.gentoo.org/920837
+ xz -T$(makeopts_jobs) --memlimit-compress=50% -q --check=crc32 --lzma2=dict=1MiB ${modulename}.${KV_OBJ} || die "Compressing ${modulename}.${KV_OBJ} with xz failed"
doins ${modulename}.${KV_OBJ}.xz
KV_OBJ_COMPRESS_EXT=".xz"
elif linux_chkconfig_present MODULE_COMPRESS_GZIP; then
--
2.43.0