On Fri, Jun 02, 2023 at 07:15:49PM -0700, John Hubbard wrote: > Dummy variables are required in order to make these two (similar) > routines work, so in both cases, declare the variables as volatile in > order to avoid the clang compiler warning. > > Furthermore, in order to ensure that each test actually does what is > intended, add an asm volatile invocation (thanks to David Hildenbrand > for the suggestion), with a clarifying comment so that it survives > future maintenance. > > Cc: David Hildenbrand <david@xxxxxxxxxx> > Cc: Peter Xu <peterx@xxxxxxxxxx> > Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx> -- Peter Xu
