* [PATCH] parisc: Allow live-patching of __meminit functions
@ 2019-05-01 12:59 Helge Deller
0 siblings, 0 replies; only message in thread
From: Helge Deller @ 2019-05-01 12:59 UTC (permalink / raw)
To: linux-parisc, James Bottomley, John David Anglin
When making the text sections writeable with set_kernel_text_rw(1),
include all text sections including those in the __init section.
Otherwise functions marked with __meminit will stay read-only.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 4.20+
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 78e451ce0f1b..79afd9600cca 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -477,7 +477,7 @@ static void __init map_pages(unsigned long start_vaddr,
void __init set_kernel_text_rw(int enable_read_write)
{
- unsigned long start = (unsigned long) _text;
+ unsigned long start = (unsigned long) __init_begin;
unsigned long end = (unsigned long) &data_start;
map_pages(start, __pa(start), end-start,
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2019-05-01 13:00 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-01 12:59 [PATCH] parisc: Allow live-patching of __meminit functions Helge Deller
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).