diff options
Diffstat (limited to 'nixos/modules/kernel-patches/0043-arc-enable-unaligned-access-in-kernel-mode.patch')
| -rw-r--r-- | nixos/modules/kernel-patches/0043-arc-enable-unaligned-access-in-kernel-mode.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/nixos/modules/kernel-patches/0043-arc-enable-unaligned-access-in-kernel-mode.patch b/nixos/modules/kernel-patches/0043-arc-enable-unaligned-access-in-kernel-mode.patch new file mode 100644 index 0000000..95d86d4 --- /dev/null +++ b/nixos/modules/kernel-patches/0043-arc-enable-unaligned-access-in-kernel-mode.patch @@ -0,0 +1,31 @@ +From e4a3cb7256682f9f2e0fd2b3c5e06441052a9822 Mon Sep 17 00:00:00 2001 +From: Alexey Brodkin <abrodkin@synopsys.com> +Date: Tue, 27 Sep 2022 16:21:35 +0200 +Subject: [PATCH 43/96] 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 99a9b92ed98d..a4da2cbcac97 100644 +--- a/arch/arc/kernel/unaligned.c ++++ b/arch/arc/kernel/unaligned.c +@@ -202,7 +202,7 @@ 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) { +-- +2.37.2 + |