diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/333-arc-enable-unaligned-access-in-kernel-mode.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/333-arc-enable-unaligned-access-in-kernel-mode.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/333-arc-enable-unaligned-access-in-kernel-mode.patch b/target/linux/generic/patches-4.4/333-arc-enable-unaligned-access-in-kernel-mode.patch new file mode 100644 index 0000000000..76a9ce8968 --- /dev/null +++ b/target/linux/generic/patches-4.4/333-arc-enable-unaligned-access-in-kernel-mode.patch @@ -0,0 +1,31 @@ +From af737b55fc7c61f17da9ae89fba536e0a9338e98 Mon Sep 17 00:00:00 2001 +From: Alexey Brodkin <abrodkin@synopsys.com> +Date: Mon, 14 Mar 2016 17:26:34 +0300 +Subject: [PATCH] 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(-) + +diff --git a/arch/arc/kernel/unaligned.c b/arch/arc/kernel/unaligned.c +index abd961f..0b0cc97 100644 +--- a/arch/arc/kernel/unaligned.c ++++ b/arch/arc/kernel/unaligned.c +@@ -206,7 +206,7 @@ int misaligned_fixup(unsigned long address, struct pt_regs *regs, + 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) { +-- +2.5.0 + |