>From what I know, AND is faster then modulo.
Not sure if this is worth changing though.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
---
arch/ia64/kernel/patch.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index 1cf0917..0152455 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -49,7 +49,8 @@ ia64_patch (u64 insn_addr, u64 mask, u64 val)
unsigned long shift;
b0 = b[0]; b1 = b[1];
- shift = 5 + 41 * (insn_addr % 16); /* 5 bits of template, then 3 x 41-bit instructions */
+ /* 5 bits of template, then 3 x 41-bit instructions */
+ shift = 5 + 41 * (insn_addr & 0xf);
if (shift >= 64) {
m1 = mask << (shift - 64);
v1 = val << (shift - 64);
--
1.7.10.4
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