From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Frysinger Subject: Re: [PATCH] hrtimer: make epoll_wait() use the hrtimer range feature Date: Wed, 24 Nov 2010 03:33:02 -0500 Message-ID: References: <1281307532-3235-1-git-send-email-shawn.bohrer@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Cc: Alexander Viro , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org To: Shawn Bohrer Return-path: In-Reply-To: <1281307532-3235-1-git-send-email-shawn.bohrer@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org T24gU3VuLCBBdWcgOCwgMjAxMCBhdCAxODo0NSwgU2hhd24gQm9ocmVyIHdyb3RlOgo+IEBAIC0x MTE2LDE4ICsxMTEzLDIyIEBAIHN0YXRpYyBpbnQgZXBfc2VuZF9ldmVudHMoc3RydWN0IGV2ZW50 cG9sbCAqZXAsCj4gwqBzdGF0aWMgaW50IGVwX3BvbGwoc3RydWN0IGV2ZW50cG9sbCAqZXAsIHN0 cnVjdCBlcG9sbF9ldmVudCBfX3VzZXIgKmV2ZW50cywKPiDCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCDCoCBpbnQgbWF4ZXZlbnRzLCBsb25nIHRpbWVvdXQpCj4gwqB7Cj4gLSDCoCDCoCDCoCBpbnQg cmVzLCBlYXZhaWw7Cj4gKyDCoCDCoCDCoCBpbnQgcmVzLCBlYXZhaWwsIHRpbWVkX291dCA9IDA7 Cj4gwqAgwqAgwqAgwqB1bnNpZ25lZCBsb25nIGZsYWdzOwo+IC0gwqAgwqAgwqAgbG9uZyBqdGlt ZW91dDsKPiArIMKgIMKgIMKgIGxvbmcgc2xhY2s7Cj4gwqAgwqAgwqAgwqB3YWl0X3F1ZXVlX3Qg d2FpdDsKPiAtCj4gLSDCoCDCoCDCoCAvKgo+IC0gwqAgwqAgwqAgwqAqIENhbGN1bGF0ZSB0aGUg dGltZW91dCBieSBjaGVja2luZyBmb3IgdGhlICJpbmZpbml0ZSIgdmFsdWUgKC0xKQo+IC0gwqAg wqAgwqAgwqAqIGFuZCB0aGUgb3ZlcmZsb3cgY29uZGl0aW9uLiBUaGUgcGFzc2VkIHRpbWVvdXQg aXMgaW4gbWlsbGlzZWNvbmRzLAo+IC0gwqAgwqAgwqAgwqAqIHRoYXQgd2h5ICh0ICogSFopIC8g MTAwMC4KPiAtIMKgIMKgIMKgIMKgKi8KPiAtIMKgIMKgIMKgIGp0aW1lb3V0ID0gKHRpbWVvdXQg PCAwIHx8IHRpbWVvdXQgPj0gRVBfTUFYX01TVElNRU8pID8KPiAtIMKgIMKgIMKgIMKgIMKgIMKg IMKgIE1BWF9TQ0hFRFVMRV9USU1FT1VUIDogKHRpbWVvdXQgKiBIWiArIDk5OSkgLyAxMDAwOwo+ ICsgwqAgwqAgwqAgc3RydWN0IHRpbWVzcGVjIGVuZF90aW1lOwo+ICsgwqAgwqAgwqAga3RpbWVf dCBleHBpcmVzLCAqdG8gPSBOVUxMOwo+ICsKPiArIMKgIMKgIMKgIGlmICh0aW1lb3V0ID4gMCkg ewo+ICsgwqAgwqAgwqAgwqAgwqAgwqAgwqAga3RpbWVfZ2V0X3RzKCZlbmRfdGltZSk7Cj4gKyDC oCDCoCDCoCDCoCDCoCDCoCDCoCB0aW1lc3BlY19hZGRfbnMoJmVuZF90aW1lLCAodTY0KXRpbWVv dXQgKiBOU0VDX1BFUl9NU0VDKTsKPiArIMKgIMKgIMKgIMKgIMKgIMKgIMKgIHNsYWNrID0gZXN0 aW1hdGVfYWNjdXJhY3koJmVuZF90aW1lKTsKPiArIMKgIMKgIMKgIMKgIMKgIMKgIMKgIHRvID0g JmV4cGlyZXM7Cj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCAqdG8gPSB0aW1lc3BlY190b19rdGlt ZShlbmRfdGltZSk7Cj4gKyDCoCDCoCDCoCB9IGVsc2UgaWYgKHRpbWVvdXQgPT0gMCkgewo+ICsg wqAgwqAgwqAgwqAgwqAgwqAgwqAgdGltZWRfb3V0ID0gMTsKPiArIMKgIMKgIMKgIH0KPgo+IMKg cmV0cnk6Cj4gwqAgwqAgwqAgwqBzcGluX2xvY2tfaXJxc2F2ZSgmZXAtPmxvY2ssIGZsYWdzKTsK PiBAQCAtMTE0OSw3ICsxMTUwLDcgQEAgcmV0cnk6Cj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAg wqAgwqAgwqAgwqAgKiB0byBUQVNLX0lOVEVSUlVQVElCTEUgYmVmb3JlIGRvaW5nIHRoZSBjaGVj a3MuCj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgKi8KPiDCoCDCoCDCoCDC oCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoHNldF9jdXJyZW50X3N0YXRlKFRBU0tfSU5URVJSVVBU SUJMRSk7Cj4gLSDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCBpZiAoIWxpc3RfZW1w dHkoJmVwLT5yZGxsaXN0KSB8fCAhanRpbWVvdXQpCj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCDC oCDCoCDCoCDCoCBpZiAoIWxpc3RfZW1wdHkoJmVwLT5yZGxsaXN0KSB8fCB0aW1lZF9vdXQpCj4g wqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqBicmVhazsKPiDC oCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoGlmIChzaWduYWxfcGVuZGluZyhjdXJy ZW50KSkgewo+IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKg cmVzID0gLUVJTlRSOwo+IEBAIC0xMTU3LDcgKzExNTgsOSBAQCByZXRyeToKPiDCoCDCoCDCoCDC oCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoH0KPgo+IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKg IMKgIMKgIMKgc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmZXAtPmxvY2ssIGZsYWdzKTsKPiAtIMKg IMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIMKgIGp0aW1lb3V0ID0gc2NoZWR1bGVfdGltZW91 dChqdGltZW91dCk7Cj4gKyDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCBpZiAoIXNj aGVkdWxlX2hydGltZW91dF9yYW5nZSh0bywgc2xhY2ssIEhSVElNRVJfTU9ERV9BQlMpKQo+ICsg wqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgdGltZWRfb3V0ID0g MTsKPiArCj4gwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqAgwqBzcGluX2xvY2tfaXJx c2F2ZSgmZXAtPmxvY2ssIGZsYWdzKTsKPiDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoH0KPiDCoCDC oCDCoCDCoCDCoCDCoCDCoCDCoF9fcmVtb3ZlX3dhaXRfcXVldWUoJmVwLT53cSwgJndhaXQpOwoK dGhpcyBjb2RlIGludHJvZHVjZXMgYSB3YXJuaW5nOgpmcy9ldmVudHBvbGwuYzogSW4gZnVuY3Rp b24g4oCYZXBfcG9sbOKAmToKZnMvZXZlbnRwb2xsLmM6MTExOTogd2FybmluZzog4oCYc2xhY2vi gJkgbWF5IGJlIHVzZWQgdW5pbml0aWFsaXplZCBpbiB0aGlzIGZ1bmN0aW9uCgpsb29rcyB0byBt ZSBsaWtlIHlvdSBhcmVudCBwcm9wZXJseSBoYW5kbGluZyBuZWdhdGl2ZSB0aW1lb3V0cy4KY2Vy dGFpbmx5IGVwb2xsX3dhaXQoKSBwYXNzZXMgdGhlIHRpbWVvdXQgdmFsdWUgc3RyYWlnaHQgZnJv bQp1c2Vyc3BhY2UgdG8gZXBfcG9sbCgpIHdpdGhvdXQgYW55IGVycm9yIGNoZWNraW5nLCBzbyBp ZiB1c2Vyc3BhY2UKcGFzc2VzIGEgbmVnYXRpdmUgdGltZW91dCB2YWx1ZSwgaXQgbG9va3MgbGlr ZSAic2xhY2siIHdpbGwgYmUgdXNlZAp1bmluaXRpYWxpemVkLgotbWlrZQo=