Ralf Baechle wrote: [snip] > > Looks to me like we're missing some proper asm clobber markers: > > No, as per convention $1 is never used by the compiler per convention, > so clobbering not necessary. I recently removed all "$1" clobbers to > make the code a bit easier to read. How can this work? A grep shows many instances of $1 usage, I don't think all of this code is interrupt safe. Thiemo