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Re: [Qemu-devel] [RFC v4 3/9] softmmu: Add helpers for a new slowpath
From: |
alvise rigo |
Subject: |
Re: [Qemu-devel] [RFC v4 3/9] softmmu: Add helpers for a new slowpath |
Date: |
Wed, 12 Aug 2015 15:09:44 +0200 |
Yes, it could. However, it's really unlikely that a vCPU, after
issuing a LL to the virtual address x, it stores to the same phys
address using the virtual address y.
I'm not really sure If we really need to handle these cases.
alvise
On Wed, Aug 12, 2015 at 2:43 PM, Paolo Bonzini <address@hidden> wrote:
>
>
> On 07/08/2015 19:03, Alvise Rigo wrote:
>> +
>> + /* For this vCPU, just update the TLB entry, no need to flush. */
>> + env->tlb_table[mmu_idx][index].addr_write |= TLB_EXCL;
>
> Couldn't this vCPU also have two aliasing entries in the TLB?
>
> Paolo
- Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st} excl insns, (continued)
- Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st} excl insns, Alex Bennée, 2015/08/09
- Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st} excl insns, Aurelien Jarno, 2015/08/09
- Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st} excl insns, Alex Bennée, 2015/08/09
- Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st} excl insns, Aurelien Jarno, 2015/08/09
- Re: [Qemu-devel] [RFC v4 5/9] configure: Enable/disable new qemu_{ld, st} excl insns, Alex Bennée, 2015/08/09
[Qemu-devel] [RFC v4 3/9] softmmu: Add helpers for a new slowpath, Alvise Rigo, 2015/08/07
Re: [Qemu-devel] [RFC v4 3/9] softmmu: Add helpers for a new slowpath, Paolo Bonzini, 2015/08/12
[Qemu-devel] [RFC v4 4/9] tcg-op: create new TCG qemu_{ld, st} excl variants, Alvise Rigo, 2015/08/07
[Qemu-devel] [RFC v4 1/9] exec.c: Add new exclusive bitmap to ram_list, Alvise Rigo, 2015/08/07
- Re: [Qemu-devel] [RFC v4 1/9] exec.c: Add new exclusive bitmap to ram_list, Paolo Bonzini, 2015/08/11
- Re: [Qemu-devel] [RFC v4 1/9] exec.c: Add new exclusive bitmap to ram_list, alvise rigo, 2015/08/11
- Re: [Qemu-devel] [RFC v4 1/9] exec.c: Add new exclusive bitmap to ram_list, Paolo Bonzini, 2015/08/11
- Re: [Qemu-devel] [RFC v4 1/9] exec.c: Add new exclusive bitmap to ram_list, alvise rigo, 2015/08/11
- Re: [Qemu-devel] [RFC v4 1/9] exec.c: Add new exclusive bitmap to ram_list, Paolo Bonzini, 2015/08/11