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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/alpha/lib/strcpy.S
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/alpha/lib/strcpy.S')
-rw-r--r--arch/alpha/lib/strcpy.S25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/alpha/lib/strcpy.S b/arch/alpha/lib/strcpy.S
new file mode 100644
index 000000000..d8773ba77
--- /dev/null
+++ b/arch/alpha/lib/strcpy.S
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/alpha/lib/strcpy.S
+ * Contributed by Richard Henderson (rth@tamu.edu)
+ *
+ * Copy a null-terminated string from SRC to DST. Return a pointer
+ * to the null-terminator in the source.
+ */
+#include <linux/export.h>
+ .text
+
+ .align 3
+ .globl strcpy
+ .ent strcpy
+strcpy:
+ .frame $30, 0, $26
+ .prologue 0
+
+ mov $16, $0 # set up return value
+ mov $26, $23 # set up return address
+ unop
+ br __stxcpy # do the copy
+
+ .end strcpy
+ EXPORT_SYMBOL(strcpy)