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authorChristoph Hellwig <hch@lst.de>2020-06-07 21:42:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-08 11:05:58 -0700
commit490741ab1beb9c9f6580e30c7cd91b17a7560369 (patch)
treeb4d9531ea81a428ea114f923d0289c98ace84d30 /kernel/module.c
parenta75a2df68f87c4924c614204a85b29d82d5c7dc4 (diff)
downloadlinux-490741ab1beb9c9f6580e30c7cd91b17a7560369.tar.bz2
module: move the set_fs hack for flush_icache_range to m68k
flush_icache_range generally operates on kernel addresses, but for some reason m68k needed a set_fs override. Move that into the m68k code insted of keeping it in the module loader. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Jessica Yu <jeyu@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Song Liu <songliubraving@fb.com> Cc: Yonghong Song <yhs@fb.com> Link: http://lkml.kernel.org/r/20200515143646.3857579-30-hch@lst.de Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/module.c')
-rw-r--r--kernel/module.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/kernel/module.c b/kernel/module.c
index ef400c389f49..e8a198588f26 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3344,12 +3344,6 @@ static int check_module_license_and_versions(struct module *mod)
static void flush_module_icache(const struct module *mod)
{
- mm_segment_t old_fs;
-
- /* flush the icache in correct context */
- old_fs = get_fs();
- set_fs(KERNEL_DS);
-
/*
* Flush the instruction cache, since we've played with text.
* Do it before processing of module parameters, so the module
@@ -3361,8 +3355,6 @@ static void flush_module_icache(const struct module *mod)
+ mod->init_layout.size);
flush_icache_range((unsigned long)mod->core_layout.base,
(unsigned long)mod->core_layout.base + mod->core_layout.size);
-
- set_fs(old_fs);
}
int __weak module_frob_arch_sections(Elf_Ehdr *hdr,