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From: Alexander Graf <agraf@suse.de>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>, kvm-ppc <kvm-ppc@vger.kernel.org>,
	KVM list <kvm@vger.kernel.org>,
	Mihai Caraman <mihai.caraman@freescale.com>
Subject: [PATCH 24/28] KVM: PPC: booke: Extend MAS2 EPN mask for 64-bit
Date: Thu,  6 Dec 2012 01:41:13 +0100	[thread overview]
Message-ID: <1354754477-15472-25-git-send-email-agraf@suse.de> (raw)
In-Reply-To: <1354754477-15472-1-git-send-email-agraf@suse.de>

From: Mihai Caraman <mihai.caraman@freescale.com>

Extend MAS2 EPN mask to retain most significant bits on 64-bit hosts.
Use this mask in tlb effective address accessor.

Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 arch/powerpc/include/asm/mmu-book3e.h |    2 +-
 arch/powerpc/kvm/e500.h               |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index eeabcdb..99d43e0 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -59,7 +59,7 @@
 #define MAS1_TSIZE_SHIFT	7
 #define MAS1_TSIZE(x)		(((x) << MAS1_TSIZE_SHIFT) & MAS1_TSIZE_MASK)
 
-#define MAS2_EPN		0xFFFFF000
+#define MAS2_EPN		(~0xFFFUL)
 #define MAS2_X0			0x00000040
 #define MAS2_X1			0x00000020
 #define MAS2_W			0x00000010
diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h
index 32e98a7..c70d37e 100644
--- a/arch/powerpc/kvm/e500.h
+++ b/arch/powerpc/kvm/e500.h
@@ -154,7 +154,7 @@ get_tlb_size(const struct kvm_book3e_206_tlb_entry *tlbe)
 
 static inline gva_t get_tlb_eaddr(const struct kvm_book3e_206_tlb_entry *tlbe)
 {
-	return tlbe->mas2 & 0xfffff000;
+	return tlbe->mas2 & MAS2_EPN;
 }
 
 static inline u64 get_tlb_bytes(const struct kvm_book3e_206_tlb_entry *tlbe)
-- 
1.6.0.2

  parent reply	other threads:[~2012-12-06  0:41 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-06  0:40 [PULL 00/28] ppc patch queue 2012-12-06 Alexander Graf
2012-12-06  0:40 ` [PATCH 01/28] KVM: Distangle eventfd code from irqchip Alexander Graf
2012-12-06  0:40 ` [PATCH 02/28] KVM: PPC: Support eventfd Alexander Graf
2012-12-06  0:40 ` [PATCH 03/28] KVM: PPC: Book3S HV: Restructure HPT entry creation code Alexander Graf
2012-12-06  0:40 ` [PATCH 04/28] KVM: PPC: Book3S HV: Fix bug causing loss of page dirty state Alexander Graf
2012-12-06  0:40 ` [PATCH 05/28] KVM: PPC: Book3S HV: Add a mechanism for recording modified HPTEs Alexander Graf
2012-12-06  0:40 ` [PATCH 06/28] KVM: PPC: Book3S HV: Make a HPTE removal function available Alexander Graf
2012-12-06  0:40 ` [PATCH 07/28] KVM: PPC: Book3S HV: Provide a method for userspace to read and write the HPT Alexander Graf
2012-12-06  0:40 ` [PATCH 08/28] KVM: PPC: Book3S HV: Reset reverse-map chains when resetting " Alexander Graf
2012-12-06  0:40 ` [PATCH 09/28] KVM: PPC: Book3S HV: Report correct HPT entry index when reading HPT Alexander Graf
2012-12-06  0:40 ` [PATCH 10/28] KVM: PPC: Book3S HV: Don't give the guest RW access to RO pages Alexander Graf
2012-12-06  0:41 ` [PATCH 11/28] KVM: PPC: Book3S PR: Emulate PURR, SPURR and DSCR registers Alexander Graf
2012-12-06  0:41 ` [PATCH 12/28] KVM: PPC: Book3S PR: Fix VSX handling Alexander Graf
2012-12-06  0:41 ` [PATCH 13/28] KVM: PPC: Book3S PR: MSR_DE doesn't exist on Book 3S Alexander Graf
2012-12-06  0:41 ` [PATCH 14/28] MAINTAINERS: Add git tree link for PPC KVM Alexander Graf
2012-12-06  0:41 ` [PATCH 15/28] KVM: PPC: Book3S HV: Improve handling of local vs. global TLB invalidations Alexander Graf
2012-12-06  0:41 ` [PATCH 16/28] KVM: PPC: Book3S HV: Handle guest-caused machine checks on POWER7 without panicking Alexander Graf
2012-12-06  0:41 ` [PATCH 17/28] KVM: PPC: e500: Silence bogus GCC warning in tlb code Alexander Graf
2012-12-06  0:41 ` [PATCH 18/28] KVM: PPC: booke: Fix get_tb() compile error on 64-bit Alexander Graf
2012-12-06  0:41 ` [PATCH 19/28] KVM: PPC: bookehv: Remove GET_VCPU macro from exception handler Alexander Graf
2012-12-06  0:41 ` [PATCH 20/28] KVM: PPC: bookehv64: Add support for interrupt handling Alexander Graf
2012-12-06  0:41 ` [PATCH 21/28] KVM: PPC: e500: Add emulation helper for getting instruction ea Alexander Graf
2012-12-06  0:41 ` [PATCH 22/28] KVM: PPC: Mask ea's high 32-bits in 32/64 instr emulation Alexander Graf
2012-12-06  0:41 ` [PATCH 23/28] KVM: PPC: e500: Mask MAS2 EPN high 32-bits in 32/64 tlbwe emulation Alexander Graf
2012-12-06  0:41 ` Alexander Graf [this message]
2012-12-06  0:41 ` [PATCH 25/28] KVM: PPC: Make EPCR a valid field for booke64 and bookehv Alexander Graf
2012-12-06  0:41 ` [PATCH 26/28] KVM: PPC: bookehv: Add guest computation mode for irq delivery Alexander Graf
2012-12-06  0:41 ` [PATCH 27/28] KVM: PPC: bookehv: Add EPCR support in mtspr/mfspr emulation Alexander Graf
2012-12-06  0:41 ` [PATCH 28/28] KVM: PPC: booke: Get/set guest EPCR register using ONE_REG interface Alexander Graf
2012-12-09 20:44 ` [PULL 00/28] ppc patch queue 2012-12-06 Marcelo Tosatti

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