Re: [PATCH v2 1/2] tracing: ring-buffer: Have the ring buffer code do the vmap of physical memory

[Steven Rostedt]

On Mon, 31 Mar 2025 17:49:07 -0700
Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> For example, just adding flush_dcache_range() into
> include/asm-generic/cacheflush.h should be more-or-less trivial, with
> the same kinds of "architectures can make clear they have their own
> optimized version".

Just so I'm clear. Are you suggesting to add flush_dcache_range() to
cacheflush.h and using that?

Looks like some of the code would be able to remove the ifdefs:

 #ifdef CONFIG_PPC
	flush_dcache_range(...);
 #endif

if that's the case.

-- Steve