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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: npiggin@gmail.com, paulus@samba.org, mpe@ellerman.id.au,
	Christophe Leroy <christophe.leroy@c-s.fr>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v3 1/6] powerpc/mm/radix: Do slb preload only with hash translation mode
Date: Wed, 17 Apr 2019 18:33:46 +0530	[thread overview]
Message-ID: <20190417130351.3805-2-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20190417130351.3805-1-aneesh.kumar@linux.ibm.com>

Add radix_enabled check to avoid slb preload with radix translation.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 arch/powerpc/kernel/process.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index dd9e0d5386ee..f7b2e3b3db28 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1729,7 +1729,8 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp)
 	unsigned long load_addr = regs->gpr[2];	/* saved by ELF_PLAT_INIT */
 
 #ifdef CONFIG_PPC_BOOK3S_64
-	preload_new_slb_context(start, sp);
+	if (!radix_enabled())
+		preload_new_slb_context(start, sp);
 #endif
 #endif
 
-- 
2.20.1


  reply	other threads:[~2019-04-17 13:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-17 13:03 [PATCH v3 0/6] Reduce memory usage for mm_context_t Aneesh Kumar K.V
2019-04-17 13:03 ` Aneesh Kumar K.V [this message]
2019-04-17 13:03 ` [PATCH v3 2/6] powerpc/mm: Remove PPC_MM_SLICES #ifdef for book3s64 Aneesh Kumar K.V
2019-04-21 14:19   ` [v3,2/6] " Michael Ellerman
2019-04-17 13:03 ` [PATCH v3 3/6] powerpc/mm: Add helpers for accessing hash translation related variables Aneesh Kumar K.V
2019-04-24 10:16   ` Christophe Leroy
2019-04-17 13:03 ` [PATCH v3 4/6] powerpc/mm: Move slb_addr_linit to early_init_mmu Aneesh Kumar K.V
2019-04-17 13:03 ` [PATCH v3 5/6] powerpc/mm: Reduce memory usage for mm_context_t for radix Aneesh Kumar K.V
2019-04-24 12:54   ` Christophe Leroy
2019-04-26  4:50     ` Aneesh Kumar K.V
2019-04-17 13:03 ` [PATCH v3 6/6] powerc/mm/hash: Reduce hash_mm_context size Aneesh Kumar K.V

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