Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-21 Thread Jan Beulich
On 21.02.2024 13:47, Oleksii wrote: > As I understand it, evaluate_nospec()/block_speculation() were > introduced for x86 to address the L1TF vulnerability specific to x86 > CPUs. Well, if you look at one of the later commits altering x86'es variant, you'll find that this wasn't really correct.

Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-21 Thread Julien Grall
Hi Oleksii, On 21/02/2024 12:47, Oleksii wrote: On Wed, 2024-02-21 at 12:00 +0100, Jan Beulich wrote: On 20.02.2024 21:30, Oleksii wrote: On Mon, 2024-02-19 at 13:18 +0100, Jan Beulich wrote: On 19.02.2024 12:59, Oleksii wrote: Hi Julien, On Sun, 2024-02-18 at 18:30 +, Julien Grall

Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-21 Thread Oleksii
On Wed, 2024-02-21 at 12:00 +0100, Jan Beulich wrote: > On 20.02.2024 21:30, Oleksii wrote: > > On Mon, 2024-02-19 at 13:18 +0100, Jan Beulich wrote: > > > On 19.02.2024 12:59, Oleksii wrote: > > > > Hi Julien, > > > > > > > > On Sun, 2024-02-18 at 18:30 +, Julien Grall wrote: > > > > > Hi

Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-21 Thread Jan Beulich
On 20.02.2024 21:30, Oleksii wrote: > On Mon, 2024-02-19 at 13:18 +0100, Jan Beulich wrote: >> On 19.02.2024 12:59, Oleksii wrote: >>> Hi Julien, >>> >>> On Sun, 2024-02-18 at 18:30 +, Julien Grall wrote: Hi Oleksii, Title: Typo s/introdure/introduce/ On 05/02/2024

Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-20 Thread Oleksii
On Mon, 2024-02-19 at 13:18 +0100, Jan Beulich wrote: > On 19.02.2024 12:59, Oleksii wrote: > > Hi Julien, > > > > On Sun, 2024-02-18 at 18:30 +, Julien Grall wrote: > > > Hi Oleksii, > > > > > > Title: Typo s/introdure/introduce/ > > > > > > On 05/02/2024 15:32, Oleksii Kurochko wrote: > >

Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-19 Thread Jan Beulich
On 19.02.2024 12:59, Oleksii wrote: > Hi Julien, > > On Sun, 2024-02-18 at 18:30 +, Julien Grall wrote: >> Hi Oleksii, >> >> Title: Typo s/introdure/introduce/ >> >> On 05/02/2024 15:32, Oleksii Kurochko wrote: >>> The header is similar between Arm, PPC, and RISC-V, >>> so it has been moved

Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-19 Thread Oleksii
Hi Julien, On Sun, 2024-02-18 at 18:30 +, Julien Grall wrote: > Hi Oleksii, > > Title: Typo s/introdure/introduce/ > > On 05/02/2024 15:32, Oleksii Kurochko wrote: > > The header is similar between Arm, PPC, and RISC-V, > > so it has been moved to asm-generic. > > I am not 100% convinced

Re: [PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-18 Thread Julien Grall
Hi Oleksii, Title: Typo s/introdure/introduce/ On 05/02/2024 15:32, Oleksii Kurochko wrote: The header is similar between Arm, PPC, and RISC-V, so it has been moved to asm-generic. I am not 100% convinced that moving this header to asm-generic is a good idea. At least for Arm, those

[PATCH v4 07/30] xen/asm-generic: introdure nospec.h

2024-02-05 Thread Oleksii Kurochko
The header is similar between Arm, PPC, and RISC-V, so it has been moved to asm-generic. Arm's nospec.h was taken as a base with updated guards: _ASM_ARM_NOSPEC_H -> _ASM_GENERIC_NOSPEC_H Signed-off-by: Oleksii Kurochko Acked-by: Jan Beulich --- Changes in V4: - Rebase the patch. It was