diff options
Diffstat (limited to 's390_build_fix.patch')
| -rw-r--r-- | s390_build_fix.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/s390_build_fix.patch b/s390_build_fix.patch new file mode 100644 index 000000000..6a24b611e --- /dev/null +++ b/s390_build_fix.patch @@ -0,0 +1,56 @@ +From 8e90b4b1305a80b1d7712370a163eff269ac1ba2 Mon Sep 17 00:00:00 2001 +From: Vasily Gorbik <gor@linux.ibm.com> +Date: Mon, 26 Oct 2020 10:52:26 +0100 +Subject: s390: correct __bootdata / __bootdata_preserved macros + +Currently s390 build is broken. + + SECTCMP .boot.data +error: section .boot.data differs between vmlinux and arch/s390/boot/compressed/vmlinux +make[2]: *** [arch/s390/boot/section_cmp.boot.data] Error 1 + SECTCMP .boot.preserved.data +error: section .boot.preserved.data differs between vmlinux and arch/s390/boot/compressed/vmlinux +make[2]: *** [arch/s390/boot/section_cmp.boot.preserved.data] Error 1 +make[1]: *** [bzImage] Error 2 + +Commit 33def8498fdd ("treewide: Convert macro and uses of __section(foo) +to __section("foo")") converted all __section(foo) to __section("foo"). +This is wrong for __bootdata / __bootdata_preserved macros which want +variable names to be a part of intermediate section names .boot.data.<var +name> and .boot.preserved.data.<var name>. Those sections are later +sorted by alignment + name and merged together into final .boot.data +/ .boot.preserved.data sections. Those sections must be identical in +the decompressor and the decompressed kernel (that is checked during +the build). + +Fixes: 33def8498fdd ("treewide: Convert macro and uses of __section(foo) to __section("foo")") +Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> +Signed-off-by: Heiko Carstens <hca@linux.ibm.com> +--- + arch/s390/include/asm/sections.h | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h +index a996d3990a02b..0c2151451ba59 100644 +--- a/arch/s390/include/asm/sections.h ++++ b/arch/s390/include/asm/sections.h +@@ -26,14 +26,14 @@ static inline int arch_is_kernel_initmem_freed(unsigned long addr) + * final .boot.data section, which should be identical in the decompressor and + * the decompressed kernel (that is checked during the build). + */ +-#define __bootdata(var) __section(".boot.data.var") var ++#define __bootdata(var) __section(".boot.data." #var) var + + /* + * .boot.preserved.data is similar to .boot.data, but it is not part of the + * .init section and thus will be preserved for later use in the decompressed + * kernel. + */ +-#define __bootdata_preserved(var) __section(".boot.preserved.data.var") var ++#define __bootdata_preserved(var) __section(".boot.preserved.data." #var) var + + extern unsigned long __sdma, __edma; + extern unsigned long __stext_dma, __etext_dma; +-- +cgit 1.2.3-1.el7 + |