On Thu, Jan 23, 2014 at 5:23 AM, Alex Bennée wrote:
>
> trent.t...@gmail.com writes:
>
>> This patch adds a victim TLB to the QEMU system mode TLB.
>>
>> QEMU system mode page table walks are expensive. Taken by running QEMU
>> qemu-system-x86_64 system mode on Intel PIN , a TLB miss and walking a
trent.t...@gmail.com writes:
> This patch adds a victim TLB to the QEMU system mode TLB.
>
> QEMU system mode page table walks are expensive. Taken by running QEMU
> qemu-system-x86_64 system mode on Intel PIN , a TLB miss and walking a
> 4-level page tables in guest Linux OS takes ~450 X86 instr
On 01/22/2014 02:40 PM, Xin Tong wrote:
> Thank you very much for your comments. I will provide fixes to the
> problems you raised and make sure my next patch passes the
> checkpatch.pl. I have a question I would like to make sure. After i go
> back and fixed the problems with this patch. I need to
Richard.
Thank you very much for your comments. I will provide fixes to the
problems you raised and make sure my next patch passes the
checkpatch.pl. I have a question I would like to make sure. After i go
back and fixed the problems with this patch. I need to send another
(different) email with t
On 01/22/2014 06:48 AM, Xin Tong wrote:
> +#define TLB_XOR_SWAP(X, Y) do {*X = *X ^ *Y; *Y = *X ^ *Y; *X = *X ^
> *Y;}while(0);
First, your patch is line wrapped. You really really really need to follow the
directions Peter gave you.
Second, using xor to swap values is a cute assembler trick, bu
This patch adds a victim TLB to the QEMU system mode TLB.
QEMU system mode page table walks are expensive. Taken by running QEMU
qemu-system-x86_64 system mode on Intel PIN , a TLB miss and walking a
4-level page tables in guest Linux OS takes ~450 X86 instructions on
average.
QEMU system mode TL
