[PATCH v2 2/3] powerpc/pseries: H_REGISTER_PROC_TBL should ask for GTSE only if enabled
From: Bharata B Rao <hidden>
Date: 2020-06-26 13:15:11
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
H_REGISTER_PROC_TBL asks for GTSE by default. GTSE flag bit should be set only when GTSE is supported. Signed-off-by: Bharata B Rao <redacted> --- arch/powerpc/platforms/pseries/lpar.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index fd26f3d21d7b..f82569a505f1 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c@@ -1680,9 +1680,11 @@ static int pseries_lpar_register_process_table(unsigned long base, if (table_size) flags |= PROC_TABLE_NEW; - if (radix_enabled()) - flags |= PROC_TABLE_RADIX | PROC_TABLE_GTSE; - else + if (radix_enabled()) { + flags |= PROC_TABLE_RADIX; + if (mmu_has_feature(MMU_FTR_GTSE)) + flags |= PROC_TABLE_GTSE; + } else flags |= PROC_TABLE_HPT_SLB; for (;;) { rc = plpar_hcall_norets(H_REGISTER_PROC_TBL, flags, base,
--
2.21.3