On 27/03/2023 14.45, Nicholas Piggin wrote:
This consolidates several implementations, and it no longer leaves MSR[EE] enabled after the decrementer interrupt is handled, but rather disables it on return. The handler no longer allows a continuous ticking, but rather dec has to be re-armed and EE re-enabled (e.g., via H_CEDE hcall) each time. Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> --- Since v2: - Comment about DEC interrupt firing [Thomas review] lib/powerpc/asm/handlers.h | 2 +- lib/powerpc/asm/ppc_asm.h | 1 + lib/powerpc/asm/processor.h | 7 ++++++ lib/powerpc/handlers.c | 10 ++++----- lib/powerpc/processor.c | 43 +++++++++++++++++++++++++++++++++++++ powerpc/sprs.c | 6 +----- powerpc/tm.c | 20 +---------------- 7 files changed, 58 insertions(+), 31 deletions(-)
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
