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purgatory: fix disabling debug info 

commit d83806c4c0 upstream.

Since 32ef9e5054, -Wa,-gdwarf-2 is no longer used in KBUILD_AFLAGS.
Instead, it includes -g, the appropriate -gdwarf-* flag, and also the
-Wa versions of both of those if building with Clang and GNU as.  As a
result, debug info was being generated for the purgatory objects, even
though the intention was that it not be.

Fixes: 32ef9e5054 ("Makefile.debug: re-enable debug info for .S files")
Signed-off-by: Alyssa Ross <hi@alyssa.is>
Cc: stable@vger.kernel.org
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alyssa Ross 2023-03-26 18:21:21 +00:00 committed by Greg Kroah-Hartman
parent 7ca973d830
commit 588d682251
2 changed files with 2 additions and 5 deletions
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4
arch/riscv/purgatory/Makefile
View File

@ -74,9 +74,7 @@ CFLAGS_string.o += $(PURGATORY_CFLAGS)
CFLAGS_REMOVE_ctype.o += $(PURGATORY_CFLAGS_REMOVE)
CFLAGS_ctype.o += $(PURGATORY_CFLAGS)
AFLAGS_REMOVE_entry.o += -Wa,-gdwarf-2
AFLAGS_REMOVE_memcpy.o += -Wa,-gdwarf-2
AFLAGS_REMOVE_memset.o += -Wa,-gdwarf-2
asflags-remove-y += $(foreach x, -g -gdwarf-4 -gdwarf-5, $(x) -Wa,$(x))
$(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
$(call if_changed,ld)

3
arch/x86/purgatory/Makefile
View File

@ -69,8 +69,7 @@ CFLAGS_sha256.o += $(PURGATORY_CFLAGS)
CFLAGS_REMOVE_string.o += $(PURGATORY_CFLAGS_REMOVE)
CFLAGS_string.o += $(PURGATORY_CFLAGS)
AFLAGS_REMOVE_setup-x86_$(BITS).o += -Wa,-gdwarf-2
AFLAGS_REMOVE_entry64.o += -Wa,-gdwarf-2
asflags-remove-y += $(foreach x, -g -gdwarf-4 -gdwarf-5, $(x) -Wa,$(x))
$(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
$(call if_changed,ld)