Paolo Bonzini writes:
> On 03/10/2016 11:32, Alex Bennée wrote:
>> 1. For atomic_read/set fall back to plain access for sizeof(*ptr) >
>> sizeof(void *)
>>
>> This would throw up warnings in ThreadSanitizer on 64-on-32 but
>> practically generate the same code as before.
>>
>> 2. Split sizeof(*p
Emilio G. Cota writes:
> On Mon, Oct 03, 2016 at 10:32:55 +0100, Alex Bennée wrote:
> (snip)
>> However the series as a whole does have value. As you can see from the
>> other patches there are some real races being picked up by the sanitizer
>> which only really become visible when a) you remov
On Mon, Oct 03, 2016 at 10:32:55 +0100, Alex Bennée wrote:
(snip)
> However the series as a whole does have value. As you can see from the
> other patches there are some real races being picked up by the sanitizer
> which only really become visible when a) you remove the noise of the
> "false" posi
On 03/10/2016 11:32, Alex Bennée wrote:
> 1. For atomic_read/set fall back to plain access for sizeof(*ptr) >
> sizeof(void *)
>
> This would throw up warnings in ThreadSanitizer on 64-on-32 but
> practically generate the same code as before.
>
> 2. Split sizeof(*ptr) > sizeof(void *) accesses
Paolo Bonzini writes:
> On 30/09/2016 23:30, Alex Bennée wrote:
>> Commit b480d9b74 converted tb_page_addr_t to abi_ulong which while the
>> right size imposes additional alignment restrictions on the type. This
>> gets in the way of using atomic accesses on certain guest platforms
>> which allo
On 30/09/2016 23:30, Alex Bennée wrote:
> Commit b480d9b74 converted tb_page_addr_t to abi_ulong which while the
> right size imposes additional alignment restrictions on the type. This
> gets in the way of using atomic accesses on certain guest platforms
> which allow finer alignments. As tb_pag
Commit b480d9b74 converted tb_page_addr_t to abi_ulong which while the
right size imposes additional alignment restrictions on the type. This
gets in the way of using atomic accesses on certain guest platforms
which allow finer alignments. As tb_page_addr_t isn't actually visible
to the guest we ca
