Re: [RFC PATCH 1/3] arm64: add CPU prefetch and cache modulation sysfs interface
Breno Leitao <[email protected]>
| Newsgroups | org.kernel.vger.linux-doc,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Aug 17, 2026 at 10:23:33AM +0800, KobaK wrote:
> +static void cpumod_attr_read_remote(void *info)
> +{
> + struct cpumod_attr_call *call = info;
> + u64 *value = cpumod_attr_value_ptr(call->subsys, call->attr);
> +
> + *value = cpumod_attr_read_reg(call->attr);
> +}
Why do you need value in this case? Also, isn't cpumod_attr_read_reg()
anmd returning to a variable that is never read?