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Thu, 30 Sep 2021 21:39:19 -0700 (PDT) Subject: Re: [PATCH v2 14/17] coresight: trbe: Make sure we have enough space To: Suzuki K Poulose , linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, maz@kernel.org, catalin.marinas@arm.com, mark.rutland@arm.com, james.morse@arm.com, leo.yan@linaro.org, mike.leach@linaro.org, mathieu.poirier@linaro.org, will@kernel.org, lcherian@marvell.com, coresight@lists.linaro.org References: <20210921134121.2423546-1-suzuki.poulose@arm.com> <20210921134121.2423546-15-suzuki.poulose@arm.com> <60e75e7b-4a04-03d4-c861-88dd5fadef99@arm.com> From: Anshuman Khandual Message-ID: <79877977-16ec-7508-0870-d2f6ee8899e5@arm.com> Date: Fri, 1 Oct 2021 10:10:26 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210930_213926_460493_66F70899 X-CRM114-Status: GOOD ( 19.49 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgpPbiA5LzIyLzIxIDM6NDYgUE0sIFN1enVraSBLIFBvdWxvc2Ugd3JvdGU6Cj4gT24gMjIvMDkv MjAyMSAxMDo1OCwgQW5zaHVtYW4gS2hhbmR1YWwgd3JvdGU6Cj4+Cj4+Cj4+IE9uIDkvMjEvMjEg NzoxMSBQTSwgU3V6dWtpIEsgUG91bG9zZSB3cm90ZToKPj4+IFRoZSBUUkJFIGRyaXZlciBtYWtl cyBzdXJlIHRoYXQgdGhlcmUgaXMgZW5vdWdoIHNwYWNlIGZvciBhIG1lYW5pbmdmdWwKPj4+IHJ1 biwgb3RoZXJ3aXNlIHBhZHMgdGhlIGdpdmVuIHNwYWNlIGFuZCByZXN0YXJ0cyB0aGUgb2Zmc2V0 IGNhbGN1bGF0aW9uCj4+PiBvbmNlLiBCdXQgdGhlcmUgaXMgbm8gZ3VhcmFudGVlIHRoYXQgd2Ug bWF5IGZpbmQgc3BhY2Ugb3IgaGl0ICJubyBzcGFjZSIuCj4+Cj4+IFNvIHdoYXQgaGFwcGVucyBj dXJyZW50bHkgd2hlbiBpdCBuZWl0aGVyIGZpbmRzIHRoZSByZXF1aXJlZCBtaW5pbXVtIGJ1ZmZl cgo+PiBzcGFjZSBmb3IgYSBtZWFuaW5nZnVsIHJ1biBub3IgZG9lcyBpdCBoaXQgdGhlICJubyBz cGFjZSIgc2NlbmFyaW8gPwo+IAo+IEl0IHRyaWVzIG9uY2UgdG9kYXkgYW5kIGFzc3VtZXMgdGhh dCBpdCB3aWxsIGVpdGhlciBoaXQgOgo+IAo+IMKgLSBObyBzcGFjZQo+IMKgwqAgT1IKPiDCoC0g RW5vdWdoIHNwYWNlCj4gCj4gd2hpY2ggaXMgcmVhc29uYWJsZSwgZ2l2ZW4gdGhlIG1pbmltdW0g c3BhY2UgbmVlZGVkIGlzIGEgZmV3IGJ5dGVzLgo+IEJ1dCB0aGlzIG1heSBubyBsb25nZXIgYmUg dHJ1ZSB3aXRoIG90aGVyIGVycmF0dW0gd29ya2Fyb3VuZC4KCk9rYXkuCgo+IAo+Pgo+Pj4gTWFr ZSBzdXJlIHRoYXQgd2UgcmVwZWF0IHRoZSBzdGVwIHVudGlsLCBlaXRoZXIgOgo+Pj4gwqDCoCAt IFdlIGhhdmUgdGhlIG1pbmltdW0gc3BhY2UKPj4+IMKgwqDCoCBPUgo+Pj4gwqDCoCAtIFRoZXJl IGlzIE5PIHNwYWNlIGF0IGFsbC4KPj4+Cj4+PiBDYzogQW5zaHVtYW4gS2hhbmR1YWwgPGFuc2h1 bWFuLmtoYW5kdWFsQGFybS5jb20+Cj4+PiBDYzogTWF0aGlldSBQb2lyaWVyIDxtYXRoaWV1LnBv aXJpZXJAbGluYXJvLm9yZz4KPj4+IENjOiBNaWtlIExlYWNoIDxtaWtlLmxlYWNoQGxpbmFyby5v cmc+Cj4+PiBDYzogTGVvIFlhbiA8bGVvLnlhbkBsaW5hcm8ub3JnPgo+Pj4gU2lnbmVkLW9mZi1i eTogU3V6dWtpIEsgUG91bG9zZSA8c3V6dWtpLnBvdWxvc2VAYXJtLmNvbT4KPj4+IC0tLQo+Pj4g wqAgZHJpdmVycy9od3RyYWNpbmcvY29yZXNpZ2h0L2NvcmVzaWdodC10cmJlLmMgfCA2ICsrKysr LQo+Pj4gwqAgMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+ Pj4KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2h3dHJhY2luZy9jb3Jlc2lnaHQvY29yZXNpZ2h0 LXRyYmUuYyBiL2RyaXZlcnMvaHd0cmFjaW5nL2NvcmVzaWdodC9jb3Jlc2lnaHQtdHJiZS5jCj4+ PiBpbmRleCAzMzczZjRlMjE4M2IuLjAyZjllMDBlMjA5MSAxMDA2NDQKPj4+IC0tLSBhL2RyaXZl cnMvaHd0cmFjaW5nL2NvcmVzaWdodC9jb3Jlc2lnaHQtdHJiZS5jCj4+PiArKysgYi9kcml2ZXJz L2h3dHJhY2luZy9jb3Jlc2lnaHQvY29yZXNpZ2h0LXRyYmUuYwo+Pj4gQEAgLTQ1MSwxMCArNDUx LDE0IEBAIHN0YXRpYyB1bnNpZ25lZCBsb25nIHRyYmVfbm9ybWFsX29mZnNldChzdHJ1Y3QgcGVy Zl9vdXRwdXRfaGFuZGxlICpoYW5kbGUpCj4+PiDCoMKgwqDCoMKgwqAgKiBJZiB0aGUgaGVhZCBp cyB0b28gY2xvc2UgdG8gdGhlIGxpbWl0IGFuZCB3ZSBkb24ndAo+Pj4gwqDCoMKgwqDCoMKgICog aGF2ZSBzcGFjZSBmb3IgYSBtZWFuaW5nZnVsIHJ1biwgd2UgcmF0aGVyIHBhZCBpdAo+Pj4gwqDC oMKgwqDCoMKgICogYW5kIHN0YXJ0IGZyZXNoLgo+Pj4gK8KgwqDCoMKgICoKPj4+ICvCoMKgwqDC oCAqIFdlIG1pZ2h0IGhhdmUgdG8gZG8gdGhpcyBtb3JlIHRoYW4gb25jZSB0byBtYWtlIHN1cmUK Pj4+ICvCoMKgwqDCoCAqIHdlIGhhdmUgZW5vdWdoIHJlcXVpcmVkIHNwYWNlLgo+Pgo+PiBPUiBu byBzcGFjZSBhdCBhbGwsIGFzIGV4cGxhaW5lZCBpbiB0aGUgY29tbWl0IG1lc3NhZ2UuCj4+IEhl bmNlIHRoaXMgY29tbWVudCBuZWVkcyBhbiB1cGRhdGUuCj4+Cj4+PiDCoMKgwqDCoMKgwqAgKi8K Pj4+IC3CoMKgwqAgaWYgKGxpbWl0ICYmICgobGltaXQgLSBoZWFkKSA8IHRyYmVfbWluX3RyYWNl X2J1Zl9zaXplKGhhbmRsZSkpKSB7Cj4+PiArwqDCoMKgIHdoaWxlIChsaW1pdCAmJiAoKGxpbWl0 IC0gaGVhZCkgPCB0cmJlX21pbl90cmFjZV9idWZfc2l6ZShoYW5kbGUpKSkgewo+Pj4gwqDCoMKg wqDCoMKgwqDCoMKgIHRyYmVfcGFkX2J1ZihoYW5kbGUsIGxpbWl0IC0gaGVhZCk7Cj4+PiDCoMKg wqDCoMKgwqDCoMKgwqAgbGltaXQgPSBfX3RyYmVfbm9ybWFsX29mZnNldChoYW5kbGUpOwo+Pj4g K8KgwqDCoMKgwqDCoMKgIGhlYWQgPSBQRVJGX0lEWDJPRkYoaGFuZGxlLT5oZWFkLCBidWYpOwo+ Pgo+PiBTaG91bGQgdGhlIGxvb3AgYmUgYm91bmQgd2l0aCBhIHJldHJ5IGxpbWl0IGFzIHdlbGwg Pwo+IAo+IE5vLiBXZSB3aWxsIGV2ZW50dWFsbHkgaGl0IE5vLXNwYWNlIGFzIHdlIGtlZXAgb24g cGFkZGluZwo+IHRoZSBidWZmZXIuCgpHb3QgaXQuCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51 eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5v cmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==