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linuxkm: inhibit thunk generation in get_thread_size.

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Daniel Pouzzner
2022-07-19 10:20:04 -05:00
parent 9a3efb67b8
commit 0dac3ec022
1 changed files with 3 additions and 1 deletions
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linuxkm/Kbuild
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@ -48,7 +48,9 @@ $(obj)/linuxkm/module_exports.o: $(WOLFSSL_OBJ_TARGETS)
# this mechanism only works in kernel 5.x+ (fallback to hardcoded value)
hostprogs := linuxkm/get_thread_size
always-y := $(hostprogs)
HOST_EXTRACFLAGS += $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_CFLAGS) -static -fno-omit-frame-pointer
# "-mindirect-branch=keep -mfunction-return=keep" to avoid "undefined reference
# to `__x86_return_thunk'" on CONFIG_RETHUNK kernels (5.19.0-rc7)
HOST_EXTRACFLAGS += $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_CFLAGS) -static -fno-omit-frame-pointer -mindirect-branch=keep -mfunction-return=keep
# this rule is needed to get build to succeed in 4.x (get_thread_size still doesn't get built)
$(obj)/linuxkm/get_thread_size: $(src)/linuxkm/get_thread_size.c