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authorNicholas Piggin2020-08-25 17:53:09 +1000
committerMichael Ellerman2020-08-27 17:41:13 +1000
commite5fe56092e753c50093c60e757561984abff335e (patch)
treefab077fae9aa32e3a35f0dc09409d2c36bc7ec68 /arch
parentaa661d7fab436d8a782618b3138da1a84ca28a31 (diff)
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 <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200825075309.224184-1-npiggin@gmail.com
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/entry_64.S4
1 files changed, 4 insertions, 0 deletions
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