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authorLinus Walleij <linusw@kernel.org>2026-06-30 18:05:56 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2026-08-05 16:48:11 +0100
commitbb3b2cfeb206f5b10b859e134651b54120e3f530 (patch)
tree6717fcea088ba5c5f15002a48101fa2537135bf2 /arch/mips/mm/extable.c
downloadlinux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.tar.gz
linux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.zip
ARM: 9480/1: entry: expand comment in __switch_tografted
As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Linus Walleij <linusw@kernel.org>> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/mips/mm/extable.c')
-rw-r--r--arch/mips/mm/extable.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/mips/mm/extable.c b/arch/mips/mm/extable.c
new file mode 100644
index 000000000..81bc8a34a
--- /dev/null
+++ b/arch/mips/mm/extable.c
@@ -0,0 +1,25 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1997, 99, 2001 - 2004 Ralf Baechle <ralf@linux-mips.org>
+ */
+#include <linux/extable.h>
+#include <linux/spinlock.h>
+#include <asm/branch.h>
+#include <linux/uaccess.h>
+
+int fixup_exception(struct pt_regs *regs)
+{
+ const struct exception_table_entry *fixup;
+
+ fixup = search_exception_tables(exception_epc(regs));
+ if (fixup) {
+ regs->cp0_epc = fixup->nextinsn;
+
+ return 1;
+ }
+
+ return 0;
+}