From c3d7ef377eb2564b165b1e8fdb4646952c90ac17 Mon Sep 17 00:00:00 2001
From: Piotr Gorski <lucjan.lucjanov@gmail.com>
Date: Wed, 7 Apr 2021 18:09:27 +0200
Subject: kbuild: add support for zstd compressed modules
kmod 28 supports modules compressed in zstd format so let's add this
possibility to kernel.
Signed-off-by: Piotr Gorski <lucjan.lucjanov@gmail.com>
Reviewed-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---
scripts/Makefile.modinst | 6 ++++++
1 file changed, 6 insertions(+)
(limited to 'scripts')
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index 191408f7a91a..ff9b09e4cfca 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -21,6 +21,7 @@ endif
suffix-y :=
suffix-$(CONFIG_MODULE_COMPRESS_GZIP) := .gz
suffix-$(CONFIG_MODULE_COMPRESS_XZ) := .xz
+suffix-$(CONFIG_MODULE_COMPRESS_ZSTD) := .zst
modules := $(patsubst $(extmod_prefix)%, $(dst)/%$(suffix-y), $(modules))
@@ -95,6 +96,8 @@ quiet_cmd_gzip = GZIP $@
cmd_gzip = $(KGZIP) -n -f $<
quiet_cmd_xz = XZ $@
cmd_xz = $(XZ) --lzma2=dict=2MiB -f $<
+quiet_cmd_zstd = ZSTD $@
+ cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
$(dst)/%.ko.gz: $(dst)/%.ko FORCE
$(call cmd,gzip)
@@ -102,6 +105,9 @@ $(dst)/%.ko.gz: $(dst)/%.ko FORCE
$(dst)/%.ko.xz: $(dst)/%.ko FORCE
$(call cmd,xz)
+$(dst)/%.ko.zst: $(dst)/%.ko FORCE
+ $(call cmd,zstd)
+
PHONY += FORCE
FORCE:
--
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