Hi Arnd,
On Mon, Mar 27, 2023 at 1:14 PM Arnd Bergmann wrote:
>
> From: Arnd Bergmann
>
> After a long discussion about adding SoC specific semantics for when
> to flush caches in drivers/soc/ drivers that we determined to be
> fundamentally flawed[1], I volunteered to try to move that logic int
On Fri, Mar 31, 2023, at 18:53, Catalin Marinas wrote:
> On Mon, Mar 27, 2023 at 02:12:56PM +0200, Arnd Bergmann wrote:
>> Another difference that I do not address here is what cache invalidation
>> does for partical cache lines. On arm32, arm64 and powerpc, a partial
>> cache line always gets writ
On Mon, Mar 27, 2023 at 02:12:56PM +0200, Arnd Bergmann wrote:
> Another difference that I do not address here is what cache invalidation
> does for partical cache lines. On arm32, arm64 and powerpc, a partial
> cache line always gets written back before invalidation in order to
> ensure that data
From: Arnd Bergmann
After a long discussion about adding SoC specific semantics for when
to flush caches in drivers/soc/ drivers that we determined to be
fundamentally flawed[1], I volunteered to try to move that logic into
architecture-independent code and make all existing architectures do
the