On 2018-10-19 2:26 AM, Helge Deller wrote:
If it's bogus we could replace in entry.S:
--- a/arch/parisc/kernel/entry.S
+++ b/arch/parisc/kernel/entry.S
@@ -426,8 +426,7 @@
ldw,s \index(\pmd),\pmd
bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault
dep %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */
- copy \pmd,%r9
- SHLREG %r9,PxD_VALUE_SHIFT,\pmd
+ SHLREG \pmd,PxD_VALUE_SHIFT,\pmd
I hadn't realized this macro was using r9 (t1). Generally, I passed the
temporary registers used by a
macro in the argument list so it was clear what registers were being used.
I believe the copy is unnecessary.
I believe the shl macro can be removed. It is same as shlw assemble
mnemonic.
Dave
--
John David Anglin dave.anglin@xxxxxxxx
