On 05/09/2019 12.39, Janosch Frank wrote: > We need to properly implement interrupt handling for SCLP, because on > z/VM and LPAR SCLP calls are not synchronous! > > Also with smp CPUs have to compete for sclp. Let's add some locking, > so they execute sclp calls in an orderly fashion and don't compete for > the data buffer. > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> > --- > lib/s390x/asm/interrupt.h | 2 ++ > lib/s390x/interrupt.c | 12 +++++++-- > lib/s390x/sclp-console.c | 2 ++ > lib/s390x/sclp.c | 55 +++++++++++++++++++++++++++++++++++++-- > lib/s390x/sclp.h | 3 +++ > 5 files changed, 70 insertions(+), 4 deletions(-) Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
