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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-30 10:08:09 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-30 10:08:09 +0200 |
commit | d2fc88a61b4ea99f574bde16e92718e22f312136 (patch) | |
tree | f256841ebcbc3b90fc29d7fa751610ba9aac5a2b /arch/arm/mm | |
parent | e16f4f3e0b7daecd48d4f944ab4147c1a6cb16a8 (diff) | |
parent | acb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff) | |
download | op-kernel-dev-d2fc88a61b4ea99f574bde16e92718e22f312136.zip op-kernel-dev-d2fc88a61b4ea99f574bde16e92718e22f312136.tar.gz |
Merge 4.18-rc7 into driver-core-next
We need the driver core changes in here as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r-- | arch/arm/mm/init.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index c186474..0cc8e04 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -736,20 +736,29 @@ static int __mark_rodata_ro(void *unused) return 0; } +static int kernel_set_to_readonly __read_mostly; + void mark_rodata_ro(void) { + kernel_set_to_readonly = 1; stop_machine(__mark_rodata_ro, NULL, NULL); debug_checkwx(); } void set_kernel_text_rw(void) { + if (!kernel_set_to_readonly) + return; + set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false, current->active_mm); } void set_kernel_text_ro(void) { + if (!kernel_set_to_readonly) + return; + set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true, current->active_mm); } |