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Re: [Qemu-devel] [PATCH qemu v3 07/13] memory: Switch memory from using
From: |
Alexey Kardashevskiy |
Subject: |
Re: [Qemu-devel] [PATCH qemu v3 07/13] memory: Switch memory from using AddressSpace to FlatView |
Date: |
Tue, 19 Sep 2017 00:06:21 +1000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
On 18/09/17 20:17, Alexey Kardashevskiy wrote:
> FlatView's will be shared between AddressSpace's and subpage_t
> and MemoryRegionSection cannot store AS anymore, hence this change.
>
> In particular, for:
>
> typedef struct subpage_t {
> MemoryRegion iomem;
> - AddressSpace *as;
> + FlatView *fv;
> hwaddr base;
> uint16_t sub_section[];
> } subpage_t;
>
> struct MemoryRegionSection {
> MemoryRegion *mr;
> - AddressSpace *address_space;
> + FlatView *fv;
> hwaddr offset_within_region;
> Int128 size;
> hwaddr offset_within_address_space;
> bool readonly;
> };
>
> Signed-off-by: Alexey Kardashevskiy <address@hidden>
> ---
> include/exec/memory-internal.h | 2 +-
> include/exec/memory.h | 51 ++++++++----
> exec.c | 180
> ++++++++++++++++++++++++-----------------
> hw/intc/openpic_kvm.c | 2 +-
> memory.c | 28 ++++---
> 5 files changed, 157 insertions(+), 106 deletions(-)
>
> diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
> index 6e08eda256..1cf8ad9869 100644
> --- a/include/exec/memory-internal.h
> +++ b/include/exec/memory-internal.h
> @@ -27,7 +27,7 @@ extern const MemoryRegionOps unassigned_mem_ops;
> bool memory_region_access_valid(MemoryRegion *mr, hwaddr addr,
> unsigned size, bool is_write);
>
> -void mem_add(AddressSpace *as, FlatView *fv, MemoryRegionSection *section);
> +void mem_add(FlatView *fv, MemoryRegionSection *section);
> AddressSpaceDispatch *mem_begin(AddressSpace *as);
> void mem_commit(AddressSpaceDispatch *d);
>
> diff --git a/include/exec/memory.h b/include/exec/memory.h
> index 2346f8b863..7816e5d655 100644
> --- a/include/exec/memory.h
> +++ b/include/exec/memory.h
> @@ -48,6 +48,7 @@
>
> typedef struct MemoryRegionOps MemoryRegionOps;
> typedef struct MemoryRegionMmio MemoryRegionMmio;
> +typedef struct FlatView FlatView;
>
This is missing, apparently. My gcc did not catch it :-/
diff --git a/memory.c b/memory.c
index 69f3334c9b..21e1a6f38f 100644
--- a/memory.c
+++ b/memory.c
@@ -209,7 +209,6 @@ static bool
memory_region_ioeventfd_equal(MemoryRegionIoeventfd a,
}
typedef struct FlatRange FlatRange;
-typedef struct FlatView FlatView;
--
Alexey
- [Qemu-devel] [PATCH qemu v3 04/13] memory: Move FlatView allocation to a helper, (continued)
- [Qemu-devel] [PATCH qemu v3 04/13] memory: Move FlatView allocation to a helper, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 10/13] memory: Store physical root MR in FlatView, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 03/13] memory: Open code FlatView rendering, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 11/13] memory: Share FlatView's and dispatch trees between address spaces, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 09/13] memory: Rename mem_begin/mem_commit/mem_add helpers, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 13/13] memory: Add flat views to HMP "info mtree", Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 08/13] memory: Cleanup after switching to FlatView, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 07/13] memory: Switch memory from using AddressSpace to FlatView, Alexey Kardashevskiy, 2017/09/18
- Re: [Qemu-devel] [PATCH qemu v3 07/13] memory: Switch memory from using AddressSpace to FlatView,
Alexey Kardashevskiy <=
- [Qemu-devel] [PATCH qemu v3 12/13] memory: Get rid of address_space_init_shareable, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 02/13] exec: Explicitely export target AS from address_space_translate_internal, Alexey Kardashevskiy, 2017/09/18
- [Qemu-devel] [PATCH qemu v3 05/13] memory: Move AddressSpaceDispatch from AddressSpace to FlatView, Alexey Kardashevskiy, 2017/09/18
- Re: [Qemu-devel] [PATCH qemu v3 00/13] memory: Reduce memory use, no-reply, 2017/09/18
- Re: [Qemu-devel] [PATCH qemu v3 00/13] memory: Reduce memory use, Paolo Bonzini, 2017/09/18