On 8/5/2021 10:29 PM, Dave Hansen wrote:
On 8/5/21 7:23 AM, Peter Zijlstra wrote:
This is assuming any of this is actually performance critical, based off
of this using static_call() to begin with.
This code is not performance critical.
I think I sent folks off on a wild goose chase when I as
On 8/5/21 7:23 AM, Peter Zijlstra wrote:
> This is assuming any of this is actually performance critical, based off
> of this using static_call() to begin with.
This code is not performance critical.
I think I sent folks off on a wild goose chase when I asked that we make
an effort to optimize co
On Thu, Aug 05, 2021 at 10:05:17PM +0800, Tianyu Lan wrote:
> static int __set_memory_enc_dec(unsigned long addr, int numpages, bool enc)
> {
> + return static_call(x86_set_memory_enc)(addr, numpages, enc);
> }
Hurpmh... So with a bit of 'luck' you get code-gen like:
__set_memory_enc_dec:
On Thu, Aug 05, 2021 at 10:05:17PM +0800, Tianyu Lan wrote:
> +static int default_set_memory_enc(unsigned long addr, int numpages, bool
> enc)
> +{
> + return 0;
> +}
> +
> +DEFINE_STATIC_CALL(x86_set_memory_enc, default_set_memory_enc);
That's spelled:
DEFINE_STATIC_CALL_RET0(x86_set_memory_
Hi Dave:
Thanks for review.
On 8/5/2021 3:27 AM, Dave Hansen wrote:
On 8/4/21 11:44 AM, Tianyu Lan wrote:
+static int default_set_memory_enc(unsigned long addr, int numpages, bool enc);
+DEFINE_STATIC_CALL(x86_set_memory_enc, default_set_memory_enc);
+
#define CPA_FLUSHTLB 1
#define
On 8/4/21 11:44 AM, Tianyu Lan wrote:
> +static int default_set_memory_enc(unsigned long addr, int numpages, bool
> enc);
> +DEFINE_STATIC_CALL(x86_set_memory_enc, default_set_memory_enc);
> +
> #define CPA_FLUSHTLB 1
> #define CPA_ARRAY 2
> #define CPA_PAGES_ARRAY 4
> @@ -1981,6 +1985,11 @@ in
