From: James Hogan <james.hogan@imgtec.com> To: <linux-mips@linux-mips.org> Cc: "James Hogan" <james.hogan@imgtec.com>, linux-mm@kvack.org, "Paolo Bonzini" <pbonzini@redhat.com>, "Radim Krčmář" <rkrcmar@redhat.com>, "Ralf Baechle" <ralf@linux-mips.org>, kvm@vger.kernel.org Subject: [PATCH 1/30] mm: Export init_mm for MIPS KVM use of pgd_alloc() Date: Fri, 6 Jan 2017 01:32:33 +0000 [thread overview] Message-ID: <a8df39719fb0570cb38e3fbb5c128fe2618e92d6.1483665879.git-series.james.hogan@imgtec.com> (raw) In-Reply-To: <cover.d6d201de414322ed2c1372e164254e6055ef7db9.1483665879.git-series.james.hogan@imgtec.com> Export the init_mm symbol to GPL modules so that MIPS KVM can use pgd_alloc() to create GVA page directory tables for trap & emulate mode, which runs guest code in user mode. On MIPS pgd_alloc() is implemented inline and refers to init_mm in order to copy kernel address space mappings into the new page directory. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mm@kvack.org Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- mm/init-mm.c | 2 ++ 1 file changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/init-mm.c b/mm/init-mm.c index 975e49f00f34..94aae08b41e1 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -1,3 +1,4 @@ +#include <linux/export.h> #include <linux/mm_types.h> #include <linux/rbtree.h> #include <linux/rwsem.h> @@ -25,3 +26,4 @@ struct mm_struct init_mm = { .user_ns = &init_user_ns, INIT_MM_CONTEXT(init_mm) }; +EXPORT_SYMBOL_GPL(init_mm); -- git-series 0.8.10
WARNING: multiple messages have this Message-ID (diff)
From: James Hogan <james.hogan@imgtec.com> To: linux-mips@linux-mips.org Cc: "James Hogan" <james.hogan@imgtec.com>, linux-mm@kvack.org, "Paolo Bonzini" <pbonzini@redhat.com>, "Radim Krčmář" <rkrcmar@redhat.com>, "Ralf Baechle" <ralf@linux-mips.org>, kvm@vger.kernel.org Subject: [PATCH 1/30] mm: Export init_mm for MIPS KVM use of pgd_alloc() Date: Fri, 6 Jan 2017 01:32:33 +0000 [thread overview] Message-ID: <a8df39719fb0570cb38e3fbb5c128fe2618e92d6.1483665879.git-series.james.hogan@imgtec.com> (raw) Message-ID: <20170106013233.-DL5yCAPV8SrnqghOefHsZ7nGt1mS6gDF9MRJDC_lnE@z> (raw) In-Reply-To: <cover.d6d201de414322ed2c1372e164254e6055ef7db9.1483665879.git-series.james.hogan@imgtec.com> Export the init_mm symbol to GPL modules so that MIPS KVM can use pgd_alloc() to create GVA page directory tables for trap & emulate mode, which runs guest code in user mode. On MIPS pgd_alloc() is implemented inline and refers to init_mm in order to copy kernel address space mappings into the new page directory. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mm@kvack.org Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- mm/init-mm.c | 2 ++ 1 file changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/init-mm.c b/mm/init-mm.c index 975e49f00f34..94aae08b41e1 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -1,3 +1,4 @@ +#include <linux/export.h> #include <linux/mm_types.h> #include <linux/rbtree.h> #include <linux/rwsem.h> @@ -25,3 +26,4 @@ struct mm_struct init_mm = { .user_ns = &init_user_ns, INIT_MM_CONTEXT(init_mm) }; +EXPORT_SYMBOL_GPL(init_mm); -- git-series 0.8.10
next prev parent reply other threads:[~2017-01-06 1:34 UTC|newest] Thread overview: 67+ 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 ` James Hogan 2017-01-06 1:32 ` James Hogan [this message] 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 2017-01-06 1:32 ` James Hogan 2017-01-17 16:24 ` Ralf Baechle 2017-01-06 1:32 ` [PATCH 3/30] MIPS: uasm: Add include guards in asm/uasm.h James Hogan 2017-01-06 1:32 ` 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 2017-01-06 1:32 ` 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 ` James Hogan 2017-01-06 1:32 ` [PATCH 6/30] KVM: MIPS/MMU: Simplify ASID restoration James Hogan 2017-01-06 1:32 ` 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 ` 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 ` James Hogan 2017-01-06 1:32 ` [PATCH 9/30] KVM: MIPS: Remove duplicated ASIDs from vcpu James Hogan 2017-01-06 1:32 ` 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 ` 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 ` 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 ` James Hogan 2017-01-06 1:32 ` [PATCH 13/30] KVM: MIPS: Wire up vcpu uninit James Hogan 2017-01-06 1:32 ` 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 ` 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 ` James Hogan 2017-01-06 1:32 ` [PATCH 16/30] KVM: MIPS: Support NetLogic KScratch registers James Hogan 2017-01-06 1:32 ` 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 ` 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 ` 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 ` 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 ` 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 ` 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 ` James Hogan 2017-01-06 1:32 ` [PATCH 23/30] KVM: MIPS/MMU: Convert TLB mapped " James Hogan 2017-01-06 1:32 ` James Hogan 2017-01-06 1:32 ` [PATCH 24/30] KVM: MIPS/MMU: Convert commpage fault handling " James Hogan 2017-01-06 1:32 ` James Hogan 2017-01-06 1:32 ` [PATCH 25/30] KVM: MIPS: Drop vm_init() callback James Hogan 2017-01-06 1:32 ` 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 ` James Hogan 2017-01-06 1:32 ` [PATCH 27/30] KVM: MIPS/Emulate: Fix CACHE emulation for EVA hosts James Hogan 2017-01-06 1:32 ` 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 ` 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 ` James Hogan 2017-01-06 1:33 ` [PATCH 30/30] KVM: MIPS/MMU: Drop kvm_get_new_mmu_context() James Hogan 2017-01-06 1:33 ` James Hogan
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=a8df39719fb0570cb38e3fbb5c128fe2618e92d6.1483665879.git-series.james.hogan@imgtec.com \ --to=james.hogan@imgtec.com \ --cc=kvm@vger.kernel.org \ --cc=linux-mips@linux-mips.org \ --cc=linux-mm@kvack.org \ --cc=pbonzini@redhat.com \ --cc=ralf@linux-mips.org \ --cc=rkrcmar@redhat.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).