On Wed, 2024-06-26 at 09:53 +0200, Jan Beulich wrote:
> On 25.06.2024 23:10, Andrew Cooper wrote:
> > On 25/06/2024 3:49 pm, Jan Beulich wrote:
> > > On 25.06.2024 15:51, Oleksii Kurochko wrote:
> > > > --- a/xen/arch/riscv/include/asm/cmpxchg.h
> > > > +++ b/xen/arch/riscv/include/asm/cmpxchg.h
>
On 25.06.2024 20:26, Oleksii wrote:
> On Tue, 2024-06-25 at 16:49 +0200, Jan Beulich wrote:
>> On 25.06.2024 15:51, Oleksii Kurochko wrote:
>>> --- a/xen/arch/riscv/include/asm/cmpxchg.h
>>> +++ b/xen/arch/riscv/include/asm/cmpxchg.h
>>> @@ -18,6 +18,20 @@
>>> : "r" (new) \
>>> :
On 26.06.2024 09:13, Oleksii wrote:
> On Tue, 2024-06-25 at 22:10 +0100, Andrew Cooper wrote:
>> On 25/06/2024 3:49 pm, Jan Beulich wrote:
>>> On 25.06.2024 15:51, Oleksii Kurochko wrote:
--- a/xen/arch/riscv/include/asm/cmpxchg.h
+++ b/xen/arch/riscv/include/asm/cmpxchg.h
@@ -18,6 +
On 25.06.2024 23:10, Andrew Cooper wrote:
> On 25/06/2024 3:49 pm, Jan Beulich wrote:
>> On 25.06.2024 15:51, Oleksii Kurochko wrote:
>>> --- a/xen/arch/riscv/include/asm/cmpxchg.h
>>> +++ b/xen/arch/riscv/include/asm/cmpxchg.h
>>> @@ -18,6 +18,20 @@
>>> : "r" (new) \
>>> : "memor
On Tue, 2024-06-25 at 22:10 +0100, Andrew Cooper wrote:
> On 25/06/2024 3:49 pm, Jan Beulich wrote:
> > On 25.06.2024 15:51, Oleksii Kurochko wrote:
> > > --- a/xen/arch/riscv/include/asm/cmpxchg.h
> > > +++ b/xen/arch/riscv/include/asm/cmpxchg.h
> > > @@ -18,6 +18,20 @@
> > > : "r" (new)
On 25/06/2024 3:49 pm, Jan Beulich wrote:
> On 25.06.2024 15:51, Oleksii Kurochko wrote:
>> --- a/xen/arch/riscv/include/asm/cmpxchg.h
>> +++ b/xen/arch/riscv/include/asm/cmpxchg.h
>> @@ -18,6 +18,20 @@
>> : "r" (new) \
>> : "memory" );
>>
>> +/*
>> + * Binutils < 2.37 doesn't u
On Tue, 2024-06-25 at 16:49 +0200, Jan Beulich wrote:
> On 25.06.2024 15:51, Oleksii Kurochko wrote:
> > --- a/xen/arch/riscv/include/asm/cmpxchg.h
> > +++ b/xen/arch/riscv/include/asm/cmpxchg.h
> > @@ -18,6 +18,20 @@
> > : "r" (new) \
> > : "memory" );
> >
> > +/*
> > + * Binut
On 25.06.2024 15:51, Oleksii Kurochko wrote:
> --- a/xen/arch/riscv/include/asm/cmpxchg.h
> +++ b/xen/arch/riscv/include/asm/cmpxchg.h
> @@ -18,6 +18,20 @@
> : "r" (new) \
> : "memory" );
>
> +/*
> + * Binutils < 2.37 doesn't understand ANDN. If the toolchain is too
> +ld, form
RISC-V does a conditional toolchain for the Zbb extension
(xen/arch/riscv/rules.mk), but unconditionally uses the
ANDN instruction in emulate_xchg_1_2().
Fixes: 51dabd6312c ("xen/riscv: introduce cmpxchg.h")
Suggested-by: Andrew Cooper
Signed-off-by: Oleksii Kurochko
---
Changes in V13:
- ne
