From e5fe56092e753c50093c60e757561984abff335e Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Tue, 25 Aug 2020 17:53:09 +1000 Subject: [PATCH] powerpc/64s: scv entry should set PPR Kernel entry sets PPR to HMT_MEDIUM by convention. The scv entry path missed this. Fixes: 7fa95f9adaee ("powerpc/64s: system call support for scv/rfscv instructions") Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200825075309.224184-1-npiggin@gmail.com --- arch/powerpc/kernel/entry_64.S | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 33a42e42c56f..733e40eba4eb 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -113,6 +113,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM) ld r11,exception_marker@toc(r2) std r11,-16(r10) /* "regshere" marker */ +BEGIN_FTR_SECTION + HMT_MEDIUM +END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR) + /* * RECONCILE_IRQ_STATE without calling trace_hardirqs_off(), which * would clobber syscall parameters. Also we always enter with IRQs -- 2.39.5