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authorVasily Gorbik <gor@linux.ibm.com>2024-01-17 13:50:49 +0300
committerAlexander Gordeev <agordeev@linux.ibm.com>2024-04-17 14:38:03 +0300
commitba05b39d54eef78043b5c8ee90545cb06a98ae6f (patch)
tree418a03082771eedde694ef99a12334276b3e21d7 /scripts
parentea84f14d2a6b1a4fde17d2713dbdfdef7b84da87 (diff)
downloadlinux-ba05b39d54eef78043b5c8ee90545cb06a98ae6f.tar.xz
s390/expoline: Make modules use kernel expolines
Currently, kernel modules contain their own set of expoline thunks. In the case of EXPOLINE_EXTERN, this involves postlinking of precompiled expoline.o. expoline.o is also necessary for out-of-source tree module builds. Now that the kernel modules area is less than 4 GB away from kernel expoline thunks, make modules use kernel expolines. Also make EXPOLINE_EXTERN the default if the compiler supports it. This simplifies build and aligns with the approach adopted by other architectures. Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/mod/modpost.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 2f5b91da5afa..937294ff164f 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -601,11 +601,6 @@ static int ignore_undef_symbol(struct elf_info *info, const char *symname)
strstarts(symname, "_savevr_") ||
strcmp(symname, ".TOC.") == 0)
return 1;
-
- if (info->hdr->e_machine == EM_S390)
- /* Expoline thunks are linked on all kernel modules during final link of .ko */
- if (strstarts(symname, "__s390_indirect_jump_r"))
- return 1;
/* Do not ignore this symbol */
return 0;
}