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openwrt/target/linux/generic/pending-4.19/333-arc-enable-unaligned-access-in-kernel-mode.patch
Hauke Mehrtens 52a82ce3dd kernel: Copy patches from kernel 4.14 to 4.19
This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 12:50:06 +01:00

25 lines
825 B
Diff

From: Alexey Brodkin <abrodkin@synopsys.com>
Subject: arc: enable unaligned access in kernel mode
This enables misaligned access handling even in kernel mode.
Some wireless drivers (ath9k-htc and mt7601u) use misaligned accesses
here and there and to cope with that without fixing stuff in the drivers
we're just gracefully handling it on ARC.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
arch/arc/kernel/unaligned.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arc/kernel/unaligned.c
+++ b/arch/arc/kernel/unaligned.c
@@ -206,7 +206,7 @@ int misaligned_fixup(unsigned long addre
char buf[TASK_COMM_LEN];
/* handle user mode only and only if enabled by sysadmin */
- if (!user_mode(regs) || !unaligned_enabled)
+ if (!unaligned_enabled)
return 1;
if (no_unaligned_warning) {