diff options
| author | Christoph Hellwig <[email protected]> | 2020-06-07 21:42:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-06-08 11:05:58 -0700 |
| commit | 490741ab1beb9c9f6580e30c7cd91b17a7560369 (patch) | |
| tree | b4d9531ea81a428ea114f923d0289c98ace84d30 | |
| parent | a75a2df68f87c4924c614204a85b29d82d5c7dc4 (diff) | |
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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Acked-by: Jessica Yu <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: Martin KaFai Lau <[email protected]>
Cc: Song Liu <[email protected]>
Cc: Yonghong Song <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | arch/m68k/mm/cache.c | 4 | ||||
| -rw-r--r-- | kernel/module.c | 8 |
2 files changed, 4 insertions, 8 deletions
diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c index 7915be3a0971..5ecb3310e874 100644 --- a/arch/m68k/mm/cache.c +++ b/arch/m68k/mm/cache.c @@ -107,7 +107,11 @@ void flush_icache_user_range(unsigned long address, unsigned long endaddr) void flush_icache_range(unsigned long address, unsigned long endaddr) { + mm_segment_t old_fs = get_fs(); + + set_fs(KERNEL_DS); flush_icache_user_range(address, endaddr); + set_fs(old_fs); } EXPORT_SYMBOL(flush_icache_range); 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, |