Re: [PATCH] RISC-V: KVM: Add kvm-riscv.wfi_trap_policy to control VS-mode WFI trapping
Anup Patel <[email protected]> Tue, 28 Jul 2026 21:23:49 +0530
| Newsgroups | org.infradead.lists.kvm-riscv,org.infradead.lists.linux-riscv,org.kernel.vger.kvm,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <CAAhSdy2r8Ei9ESdSJB8McC1T=Atp0yNa2MxEbOWNVRTUM_8YFA@mail.gmail.com> |
T24gVGh1LCBKdWwgOSwgMjAyNiBhdCA1OjI24oCvUE0gWXVoYW5nLmNoZW4gPHloY2hlbjMxMkBn bWFpbC5jb20+IHdyb3RlOgo+Cj4gQWRkIGEga2VybmVsIGNvbW1hbmQtbGluZSBvcHRpb24sIGt2 bS1yaXNjdi53ZmlfdHJhcF9wb2xpY3k9dHJhcHxub3RyYXAsCj4gdGhhdCBjb250cm9scyB3aGV0 aGVyIGEgV0ZJIGV4ZWN1dGVkIGJ5IGEgVlMtbW9kZSBndWVzdCB0cmFwcyBpbnRvIEtWTQo+IChI Uy1tb2RlKSBvciBleGVjdXRlcyBuYXRpdmVseS4KPgo+IE1lYXN1cmVkIHJlc3VsdHMgKHdmaV9l eGl0X3N0YXQgZGVsdGEgLyBndWVzdCB3YWtlIGNvdW50IG92ZXIgMyBzKToKPgo+ICAgcG9saWN5 ICAgICAgICBXRklfRVhJVFMgICBXQUtFX0NOVAo+ICAgLS0tLS0tLS0tLSAgICAtLS0tLS0tLS0g ICAtLS0tLS0tLQo+ICAgZGVmYXVsdCAgICAgICAyOTUgICAgICAgICAyOTQgICAgICAoPT0gdHJh cCwgbm8gcmVncmVzc2lvbikKPiAgIHRyYXAgICAgICAgICAgMjk1ICAgICAgICAgMjk0Cj4gICBu b3RyYXAgICAgICAgICAgMCAgICAgICAgIDI5OAo+Cj4gQXNzaXN0ZWQtYnk6IFl1YW5TaGVuZzpk ZWVwc2Vlay12NC1wcm8KPiBDby1kZXZlbG9wZWQtYnk6IFF1YW4gWmhvdSA8emhvdXF1YW5AaXNj YXMuYWMuY24+Cj4gU2lnbmVkLW9mZi1ieTogUXVhbiBaaG91IDx6aG91cXVhbkBpc2Nhcy5hYy5j bj4KPiBTaWduZWQtb2ZmLWJ5OiBZdWhhbmcuY2hlbiA8eWhjaGVuMzEyQGdtYWlsLmNvbT4KPiAt LS0KPiAgLi4uL2FkbWluLWd1aWRlL2tlcm5lbC1wYXJhbWV0ZXJzLnR4dCAgICAgICAgIHwgMTQg KysrKysrCj4gIGFyY2gvcmlzY3Yva3ZtL3ZjcHUuYyAgICAgICAgICAgICAgICAgICAgICAgICB8 IDQ0ICsrKysrKysrKysrKysrKysrKy0KPiAgMiBmaWxlcyBjaGFuZ2VkLCA1NyBpbnNlcnRpb25z KCspLCAxIGRlbGV0aW9uKC0pCj4KPiBkaWZmIC0tZ2l0IGEvRG9jdW1lbnRhdGlvbi9hZG1pbi1n dWlkZS9rZXJuZWwtcGFyYW1ldGVycy50eHQgYi9Eb2N1bWVudGF0aW9uL2FkbWluLWd1aWRlL2tl cm5lbC1wYXJhbWV0ZXJzLnR4dAo+IGluZGV4IGI1NDkzYTdmOGYyMi4uZWU2NjAzYjMwMDMzIDEw MDY0NAo+IC0tLSBhL0RvY3VtZW50YXRpb24vYWRtaW4tZ3VpZGUva2VybmVsLXBhcmFtZXRlcnMu dHh0Cj4gKysrIGIvRG9jdW1lbnRhdGlvbi9hZG1pbi1ndWlkZS9rZXJuZWwtcGFyYW1ldGVycy50 eHQKPiBAQCAtMzI1NCw2ICszMjU0LDIwIEBAIEtlcm5lbCBwYXJhbWV0ZXJzCj4KPiAgICAgICAg ICAgICAgICAgICAgICAgICBub3RyYXA6IGNsZWFyIFdGSSBpbnN0cnVjdGlvbiB0cmFwCj4KPiAr ICAgICAgIGt2bS1yaXNjdi53ZmlfdHJhcF9wb2xpY3k9Cj4gKyAgICAgICAgICAgICAgICAgICAg ICAgW0tWTSxSSVNDVl0gQ29udHJvbCB3aGVuIHRvIHNldCB0aGUgV0ZJIGluc3RydWN0aW9uCj4g KyAgICAgICAgICAgICAgICAgICAgICAgdHJhcCBmb3IgS1ZNIFZNcy4gV2hlbiBzZXQsIGEgVlMt bW9kZSBXRkkgdHJhcHMgaW50bwo+ICsgICAgICAgICAgICAgICAgICAgICAgIEtWTSBhbmQgaXMg ZW11bGF0ZWQ7IHdoZW4gY2xlYXIsIHRoZSBndWVzdCBleGVjdXRlcwo+ICsgICAgICAgICAgICAg ICAgICAgICAgIFdGSSBuYXRpdmVseSBhbmQgYmxvY2tzIHVudGlsIGEgVlMtbW9kZSBpbnRlcnJ1 cHQKPiArICAgICAgICAgICAgICAgICAgICAgICAoZS5nLiB0aGUgc3N0YyB0aW1lcikgaXMgcGVu ZGluZy4KPiArCj4gKyAgICAgICAgICAgICAgICAgICAgICAgdHJhcDogc2V0IFdGSSBpbnN0cnVj dGlvbiB0cmFwIChIU1RBVFVTLlZUVz0xKQo+ICsKPiArICAgICAgICAgICAgICAgICAgICAgICBu b3RyYXA6IGNsZWFyIFdGSSBpbnN0cnVjdGlvbiB0cmFwIChIU1RBVFVTLlZUVz0wKQo+ICsKPiAr ICAgICAgICAgICAgICAgICAgICAgICBEZWZhdWx0cyB0byB0cmFwLCBwcmVzZXJ2aW5nIHRoZSBw cmV2aW91cwo+ICsgICAgICAgICAgICAgICAgICAgICAgIHVuY29uZGl0aW9uYWwgYmVoYXZpb3Iu Cj4gKwoKVGhpcyB3b3VsZCBtZWFuIHRoYXQgZm9yIHRoZSAibm90cmFwIiBwb2xpY3kgdGhlIFZD UFUgd291bGQgbmV2ZXIKc2xlZXAgYW5kIGluY3JlYXNlIGhvc3QgQ1BVIHV0aWxpemF0aW9uIGV2 ZW4gd2hlbiBWQ1BVIGlzIGlkbGUuCklzIHRoaXMgZXhwZWN0ZWQgYmVoYXZpb3VyID8KClJlZ2Fy ZHMsCkFudXAKCi0tIAprdm0tcmlzY3YgbWFpbGluZyBsaXN0Cmt2bS1yaXNjdkBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8va3Zt LXJpc2N2Cg==