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Mon, 06 Nov 2023 21:32:51 +0100 Message-ID: Subject: Re: [PATCH RFC 06/11] um: always send UM_TIMETRAVEL_REQUEST from ISRs From: Johannes Berg To: Benjamin Beichler , Richard Weinberger , Anton Ivanov Cc: linux-um@lists.infradead.org Date: Mon, 06 Nov 2023 21:32:50 +0100 In-Reply-To: <20231103-bb-timetravel-patches-v1-6-e2c68efcf664@uni-rostock.de> References: <20231103-bb-timetravel-patches-v1-0-e2c68efcf664@uni-rostock.de> <20231103-bb-timetravel-patches-v1-6-e2c68efcf664@uni-rostock.de> User-Agent: Evolution 3.48.4 (3.48.4-1.fc38) MIME-Version: 1.0 X-malware-bazaar: not-scanned X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231106_203254_934385_B344F9D0 X-CRM114-Status: GOOD ( 17.52 ) X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org T24gRnJpLCAyMDIzLTExLTAzIGF0IDE2OjQxICswMDAwLCBCZW5qYW1pbiBCZWljaGxlciB3cm90 ZToKPiBUaGUgbnVtYmVyIG9mIFVNX1RJTUVUUkFWRUxfUkVRVUVTVCBtc2dzIGlzIHRyaWVkIHRv IHJlZHVjZWQsIGlmIHRoZXkKPiBhcmUgcmVkdW5kYW50IHZpYSB0aGUgdGltZV90cmF2ZWxfZXh0 X3ByZXZfcmVxdWVzdF92YWxpZCBmbGFnLsKgCj4gCgpUaGlzIC4uLiBkb2Vzbid0IHBhcnNlIHNv IHdlbGwuIEkgdGhpbmsgSSBnZXQgd2hhdCB5b3UncmUgdHJ5aW5nIHRvIHNheSwKYnV0IGl0J3Mg YSBiaXQgYXdrd2FyZD8KCk1heWJlIHNheSAiVGhlIGNvZGUgYXR0ZW1wdHMgdG8gcmVkdWNlIHRo ZSBudW1iZXIgb2YgLi4uIG1lc3NhZ2VzIGlmCnRoZXkgYXJlIHJlZHVuZGFudC4gVGhpcyBpcyBh Y2hpZXZlZCB3aXRoIHRoZSAuLi4gZmxhZy4iIG9yIHNvbWV0aGluZwpsaWtlIHRoYXQ/CgpBdCBs ZWFzdCB0aGF0J3Mgd2hhdCBJIHRoaW5rIHdoYXQgeW91J3JlIHRyeWluZyB0byBzYXkgOikKCj4g VGhpcyBjYW4KPiBjcmVhdGUgYSByYWNlIGNvbmRpdGlvbiwgd2hlbiBhbiBpbnRlcnJ1cHQgaGFw cGVucyBhbmQgdGhlIGlkbGUgbG9vcAo+IHdhbnRzIHRvIHdhaXQuCj4gCj4gVGhpcyBtZWFucywg c29tZXRpbWVzIHRoZSBVTV9USU1FVFJBVkVMX1JFUVVFU1QgYXJlIHNlbnQod2hlbiB0aGUgaWRs ZQo+IGxvb3AgYWxyZWFkeSBzdGFydGVkIHdhaXRpbmcpIGFuZCBzb21ldGltZXMgbm90LCB3aGlj aCBtYWtlcyBpdCBoYXJkZXIKPiB0byBpbXBsZW1lbnQgdGhlIG90aGVyIGVuZCBvZiB0aGUgc2No ZWR1bGVyLsKgCgpOb3Qgc3VyZSBJIGdldCB0aGF0IHRob3VnaCwgd2h5IGRvZXMgaXQgbWF0dGVy PyBKdXN0IGtlZXAgdHJhY2sgb2YgdGhlCmxhc3QgcmVxdWVzdD8KCkRvIHlvdSBoYXZlIHNvbWUg a2luZCBvZiAoY2FsZW5kYXIpIGxvZ3MgdGhhdCB3b3VsZCBzaG93IHRoZSBkaWZmZXJlbnQKbWVz c2FnZSBiZWhhdmlvdXI/CgpGV0lXLCB3ZSd2ZSBhbHNvIGdvdCB3b3JrIHBlbmRpbmcgZm9yIGEg d2hpbGUgbm93IHRoYXQgd2Ugc2hvdWxkIHN1Ym1pdAp0aGF0IGltcGxlbWVudHMgc2NoZWR1bGlu ZyB2aWEgc2hhcmVkIG1lbW9yeSBmb3IgdGhlIG1vc3QgcGFydCwgc28gdGhhdAphbGwgdGhlc2Ug UkVRVUVTVCBhbmQgdGltZSB1cGRhdGUgbWVzc2FnZXMganVzdCBnbyBhd2F5IF9lbnRpcmVseV8s CndoaWNoIGhlbHBzIGEgbG90IGZvciBwZXJmb3JtYW5jZSB0b28uCgo+ICsrKyBiL2FyY2gvdW0v a2VybmVsL3RpbWUuYwo+IEBAIC00NDYsNiArNDQ2LDcgQEAgdm9pZCB0aW1lX3RyYXZlbF9hZGRf aXJxX2V2ZW50KHN0cnVjdCB0aW1lX3RyYXZlbF9ldmVudCAqZSkKPiAgCUJVR19PTih0aW1lX3Ry YXZlbF9tb2RlICE9IFRUX01PREVfRVhURVJOQUwpOwo+ICAKPiAgCXRpbWVfdHJhdmVsX2V4dF9n ZXRfdGltZSgpOwo+ICsJdGltZV90cmF2ZWxfZXh0X3ByZXZfcmVxdWVzdF92YWxpZCA9IGZhbHNl Owo+IAoKQXQgdGhlIHZlcnkgbGVhc3QgSSB0aGluayB0aGVyZSBzaG91bGQgYmUgYSBjb21tZW50 IGhlcmUsIGJ1dCBJJ20gbm90CnJlYWxseSBjb252aW5jZWQgeWV0IHdoeSB0aGlzIG1ha2VzIHNl bnNlIDopCgpqb2hhbm5lcwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KbGludXgtdW0gbWFpbGluZyBsaXN0CmxpbnV4LXVtQGxpc3RzLmluZnJhZGVhZC5v cmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC11bQo=