tree a48d17f29d0ea360792f11d9f027e8b32c62d84b
parent 955cac5da4f58fd25a27bae1441c5377e846f6b1
author Arnd Bergmann <arnd@arndb.de> 1452170827 +0100
committer Arnd Bergmann <arnd@arndb.de> 1452693956 +0100

ARM: kprobes: use "I" constraint for inline assembly offsets

build-testing with clang showed that the "J" constraint does not take
positive arguments on clang when building in for Thumb-2:

core.c:540:3: error: invalid operand for inline asm constraint 'J'

This has been reported as llvm bug https://llvm.org/bugs/show_bug.cgi?id=26061

However, looking at the source code in depth, I found that the
kernel is also wrong, and it should not use "J" at all, but should
use "I" to pass an immediate argument to the inline assembly when that
is used as an offset to an 'ldr' instruction rather than the 'sub'
argument.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>