Re: [PATCH v2] vdso: Remove struct getcpu_cache
From: Dave Hansen <hidden>
Date: 2025-10-13 14:06:57
Also in:
linux-kselftest, linux-s390, linux-um, lkml, loongarch
On 10/13/25 02:20, Thomas Weißschuh wrote:
-int __vdso_getcpu(unsigned int *cpu, unsigned int *node, struct getcpu_cache *unused);
-int __vdso_getcpu(unsigned int *cpu, unsigned int *node, struct getcpu_cache *unused)
+int __vdso_getcpu(unsigned int *cpu, unsigned int *node, void *unused);
+int __vdso_getcpu(unsigned int *cpu, unsigned int *node, void *unused)
{
int cpu_id;It would ideally be nice to have a _bit_ more history on this about how it became unused any why there is such high confidence that userspace never tries to use it. Let's say someone comes along in a few years and wants to use this 'unused' parameter. Could they?