From: Ralf Baechle <ralf@linux-mips.org>
To: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org, "Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH 2/30] MIPS: Export pgd/pmd symbols for KVM
Date: Tue, 17 Jan 2017 17:24:06 +0100 [thread overview]
Message-ID: <20170117162406.GD24215@linux-mips.org> (raw)
In-Reply-To: <dd23ddfe6b616c2111a395e7b0351d7c2c3f8683.1483665879.git-series.james.hogan@imgtec.com>
On Fri, Jan 06, 2017 at 01:32:34AM +0000, James Hogan wrote:
> Export pgd_init(), pmd_init(), invalid_pmd_table and
> tlbmiss_handler_setup_pgd to GPL kernel modules so that MIPS KVM can use
> the inline page table management functions and switch between page
> tables:
>
> - pgd_init() is used inline by pgd_alloc(), which KVM will use to
> allocate page directory tables for GVA mappings.
>
> - pmd_init() will be used directly by KVM to initialise newly allocated
> pmd tables with invalid lower level table pointers.
>
> - invalid_pmd_table is used by pud_present(), pud_none(), and
> pud_clear(), which KVM will use to test and clear pud entries.
>
> - tlbmiss_handler_setup_pgd() will be called by KVM entry code to switch
> to the appropriate GVA page tables.
>
> Signed-off-by: James Hogan <james.hogan@imgtec.com>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: "Radim Krčmář" <rkrcmar@redhat.com>
> Cc: linux-mips@linux-mips.org
> Cc: kvm@vger.kernel.org
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Ralf
next prev parent reply other threads:[~2017-01-17 16:24 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-06 1:32 [PATCH 0/30] KVM: MIPS: Implement GVA page tables James Hogan
2017-01-06 1:32 ` [PATCH 1/30] mm: Export init_mm for MIPS KVM use of pgd_alloc() James Hogan
2017-01-17 16:23 ` Ralf Baechle
2017-01-17 16:27 ` Ralf Baechle
2017-01-06 1:32 ` [PATCH 2/30] MIPS: Export pgd/pmd symbols for KVM James Hogan
2017-01-17 16:24 ` Ralf Baechle [this message]
2017-01-06 1:32 ` [PATCH 3/30] MIPS: uasm: Add include guards in asm/uasm.h James Hogan
2017-01-17 16:25 ` Ralf Baechle
2017-01-06 1:32 ` [PATCH 4/30] MIPS: Export some tlbex internals for KVM to use James Hogan
2017-01-17 16:26 ` Ralf Baechle
2017-01-06 1:32 ` [PATCH 5/30] KVM: MIPS: Drop partial KVM_NMI implementation James Hogan
2017-01-06 1:32 ` [PATCH 6/30] KVM: MIPS/MMU: Simplify ASID restoration James Hogan
2017-01-06 1:32 ` [PATCH 7/30] KVM: MIPS: Convert get/set_regs -> vcpu_load/put James Hogan
2017-01-06 1:32 ` [PATCH 8/30] KVM: MIPS/MMU: Move preempt/ASID handling to implementation James Hogan
2017-01-06 1:32 ` [PATCH 9/30] KVM: MIPS: Remove duplicated ASIDs from vcpu James Hogan
2017-01-06 1:32 ` [PATCH 10/30] KVM: MIPS: Add vcpu_run() & vcpu_reenter() callbacks James Hogan
2017-01-06 1:32 ` [PATCH 11/30] KVM: MIPS/T&E: Restore host asid on return to host James Hogan
2017-01-06 1:32 ` [PATCH 12/30] KVM: MIPS/T&E: active_mm = init_mm in guest context James Hogan
2017-01-06 1:32 ` [PATCH 13/30] KVM: MIPS: Wire up vcpu uninit James Hogan
2017-01-06 1:32 ` [PATCH 14/30] KVM: MIPS/T&E: Allocate GVA -> HPA page tables James Hogan
2017-01-06 1:32 ` [PATCH 15/30] KVM: MIPS/T&E: Activate GVA page tables in guest context James Hogan
2017-01-06 1:32 ` [PATCH 16/30] KVM: MIPS: Support NetLogic KScratch registers James Hogan
2017-01-06 1:32 ` [PATCH 17/30] KVM: MIPS: Add fast path TLB refill handler James Hogan
2017-01-06 1:32 ` [PATCH 18/30] KVM: MIPS/TLB: Fix off-by-one in TLB invalidate James Hogan
2017-01-06 1:32 ` [PATCH 19/30] KVM: MIPS/TLB: Generalise host TLB invalidate to kernel ASID James Hogan
2017-01-06 1:32 ` [PATCH 20/30] KVM: MIPS/MMU: Invalidate GVA PTs on ASID changes James Hogan
2017-01-06 1:32 ` [PATCH 21/30] KVM: MIPS/MMU: Invalidate stale GVA PTEs on TLBW James Hogan
2017-01-06 1:32 ` [PATCH 22/30] KVM: MIPS/MMU: Convert KSeg0 faults to page tables James Hogan
2017-01-06 1:32 ` [PATCH 23/30] KVM: MIPS/MMU: Convert TLB mapped " James Hogan
2017-01-06 1:32 ` [PATCH 24/30] KVM: MIPS/MMU: Convert commpage fault handling " James Hogan
2017-01-06 1:32 ` [PATCH 25/30] KVM: MIPS: Drop vm_init() callback James Hogan
2017-01-06 1:32 ` [PATCH 26/30] KVM: MIPS: Use uaccess to read/modify guest instructions James Hogan
2017-01-06 1:32 ` [PATCH 27/30] KVM: MIPS/Emulate: Fix CACHE emulation for EVA hosts James Hogan
2017-01-06 1:33 ` [PATCH 28/30] KVM: MIPS/TLB: Drop kvm_local_flush_tlb_all() James Hogan
2017-01-06 1:33 ` [PATCH 29/30] KVM: MIPS/Emulate: Drop redundant TLB flushes on exceptions James Hogan
2017-01-06 1:33 ` [PATCH 30/30] KVM: MIPS/MMU: Drop kvm_get_new_mmu_context() James Hogan
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