; Satha
Koteswara Rao Kottidi ; Pavan Nikhilesh
Bhagavatula ; Kiran Kumar Kokkilagadda
; Satheesh Paul ;
Anoob Joseph ; Akhil Goyal
Subject: Re: [EXT] Re: [PATCH] common/cnxk: use cas with release semantics
for batch alloc
On 1/11/2022 12:26 PM, Ashwin Sekhar Thalakalath Kottilveetil wrote:
CAS is
; Satha
Koteswara Rao Kottidi ; Pavan Nikhilesh
Bhagavatula ; Kiran Kumar Kokkilagadda
; Satheesh Paul ;
Anoob Joseph ; Akhil Goyal ;
nd
Subject: RE: [EXT] Re: [PATCH] common/cnxk: use cas with release semantics
for batch alloc
-Original Message-
From: Ferruh Yigit
Sent: Tuesday, January
; Satha
> Koteswara Rao Kottidi ; Pavan Nikhilesh
> Bhagavatula ; Kiran Kumar Kokkilagadda
> ; Satheesh Paul ;
> Anoob Joseph ; Akhil Goyal ;
> nd
> Subject: RE: [EXT] Re: [PATCH] common/cnxk: use cas with release semantics
> for batch alloc
>
> > -Original Message--
> Koteswara Rao Kottidi ; Pavan Nikhilesh
> Bhagavatula ; Kiran Kumar Kokkilagadda
> ; Satheesh Paul ;
> Anoob Joseph ; Akhil Goyal
> Subject: Re: [EXT] Re: [PATCH] common/cnxk: use cas with release semantics
> for batch alloc
>
> On 1/11/2022 12:26 PM, Ashwin Sekhar Thalak
On 1/11/2022 12:26 PM, Ashwin Sekhar Thalakalath Kottilveetil wrote:
CAS is compare and swap. CASL is compare and swap with release semantics.
What does 'release semantics' mean? What is functional difference in both?
But on CNXK platform, the functionality of CAS* instructions is completely
CAS is compare and swap. CASL is compare and swap with release semantics.
But on CNXK platform, the functionality of CAS* instructions is completely
different when it is done to specific addresses. These APIs are meant for use
for such special cases. These cannot be made ARM generic.
Ashwin Sek
6 matches
Mail list logo
