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[83.9.29.16]) by smtp.gmail.com with ESMTPSA id h3-20020ac25963000000b004cc8698c3f4sm2423472lfp.156.2023.03.08.12.50.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Mar 2023 12:50:23 -0800 (PST) Message-ID: <88bd0152-8b53-5ae2-bb16-5060419ca580@linaro.org> Date: Wed, 8 Mar 2023 21:50:21 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [RFC PATCH 3/6] soc: qcom: Add Qualcomm minidump kernel driver Content-Language: en-US To: Srinivas Kandagatla , Mukesh Ojha , agross@kernel.org, andersson@kernel.org, keescook@chromium.org, tony.luck@intel.com, gpiccoli@igalia.com, catalin.marinas@arm.com, will@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <1676978713-7394-1-git-send-email-quic_mojha@quicinc.com> <1676978713-7394-4-git-send-email-quic_mojha@quicinc.com> <00b37174-f19e-ce59-b520-304891f6e2ef@linaro.org> From: Konrad Dybcio In-Reply-To: <00b37174-f19e-ce59-b520-304891f6e2ef@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230308_125025_893773_EF2D0F3F X-CRM114-Status: GOOD ( 18.49 ) 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 CgpPbiA4LjAzLjIwMjMgMjE6MjIsIFNyaW5pdmFzIEthbmRhZ2F0bGEgd3JvdGU6Cj4gCj4gCj4g T24gMjEvMDIvMjAyMyAxMToyNSwgTXVrZXNoIE9qaGEgd3JvdGU6Cj4+IE1pbmlkdW1wIGlzIGEg YmVzdCBlZmZvcnQgbWVjaGFuaXNtIHRvIGNvbGxlY3QgdXNlZnVsIGFuZCBwcmVkZWZpbmVkCj4+ IGRhdGEgZm9yIGZpcnN0IGxldmVsIG9mIGRlYnVnZ2luZyBvbiBlbmQgdXNlciBkZXZpY2VzIHJ1 bm5pbmcgb24KPj4gUXVhbGNvbW0gU29Dcy4gSXQgaXMgYnVpbHQgb24gdGhlIHByZW1pc2UgdGhh dCBTeXN0ZW0gb24gQ2hpcCAoU29DKQo+PiBvciBzdWJzeXN0ZW0gcGFydCBvZiBTb0MgY3Jhc2hl cywgZHVlIHRvIGEgcmFuZ2Ugb2YgaGFyZHdhcmUgYW5kCj4+IHNvZnR3YXJlIGJ1Z3MuIEhlbmNl LCB0aGUgYWJpbGl0eSB0byBjb2xsZWN0IGFjY3VyYXRlIGRhdGEgaXMgb25seQo+PiBhIGJlc3Qt ZWZmb3J0LiBUaGUgZGF0YSBjb2xsZWN0ZWQgY291bGQgYmUgaW52YWxpZCBvciBjb3JydXB0ZWQs Cj4+IGRhdGEgY29sbGVjdGlvbiBpdHNlbGYgY291bGQgZmFpbCwgYW5kIHNvIG9uLgo+Pgo+PiBR dWFsY29tbSBkZXZpY2VzIGluIGVuZ2luZWVyaW5nIG1vZGUgcHJvdmlkZXMgYSBtZWNoYW5pc20g Zm9yCj4+IGdlbmVyYXRpbmcgZnVsbCBzeXN0ZW0gcmFtZHVtcHMgZm9yIHBvc3QgbW9ydGVtIGRl YnVnZ2luZy4gQnV0IGluIHNvbWUKPj4gY2FzZXMgaXQncyBob3dldmVyIG5vdCBmZWFzaWJsZSB0 byBjYXB0dXJlIHRoZSBlbnRpcmUgY29udGVudCBvZiBSQU0uCj4+IFRoZSBtaW5pZHVtcCBtZWNo YW5pc20gcHJvdmlkZXMgdGhlIG1lYW5zIGZvciBzZWxlY3RpbmcgcmVnaW9uIHNob3VsZAo+PiBi ZSBpbmNsdWRlZCBpbiB0aGUgcmFtZHVtcC4gVGhlIHNvbHV0aW9uIHN1cHBvcnRzIGV4dHJhY3Rp bmcgdGhlCj4+IHJhbWR1bXAvbWluaWR1bXAgcHJvZHVjZWQgZWl0aGVyIG92ZXIgVVNCIG9yIHN0 b3JlZCB0byBhbiBhdHRhY2hlZAo+PiBzdG9yYWdlIGRldmljZS4KPj4KPj4gVGhlIGNvcmUgb2Yg bWluaWR1bXAgZmVhdHVyZSBpcyBwYXJ0IG9mIFF1YWxjb21tJ3MgYm9vdCBmaXJtd2FyZSBjb2Rl Lgo+PiBJdCBpbml0aWFsaXplcyBzaGFyZWQgbWVtb3J5KFNNRU0pLCB3aGljaCBpcyBhIHBhcnQg b2YgRERSIGFuZAo+PiBhbGxvY2F0ZXMgYSBzbWFsbCBzZWN0aW9uIG9mIGl0IHRvIG1pbmlkdW1w IHRhYmxlIGkuZSBhbHNvIGNhbGxlZAo+PiBnbG9iYWwgdGFibGUgb2YgY29udGVudCAoRy1Ub0Mp LiBFYWNoIHN1YnN5c3RlbSAoQVBTUywgQURTUCwgLi4uKSBoYXMKPj4gdGhlaXIgb3duIHRhYmxl IG9mIHNlZ21lbnRzIHRvIGJlIGluY2x1ZGVkIGluIHRoZSBtaW5pZHVtcCwgYWxsCj4+IHJlZmVy ZW5jZXMgZnJvbSBhIGRlc2NyaXB0b3IgaW4gU01FTSAoRy1Ub0MpLiBFYWNoIHNlZ21lbnQvcmVn aW9uIGhhcwo+PiBzb21lIGRldGFpbHMgbGlrZSBuYW1lLCBwaHlzaWNhbCBhZGRyZXNzIGFuZCBp dCdzIHNpemUgZXRjLiBhbmQgaXQKPj4gY291bGQgYmUgYW55d2hlcmUgc2NhdHRlcmVkIGluIHRo ZSBERFIuCj4+Cj4+IE1pbmlkdW1wIGtlcm5lbCBkcml2ZXIgYWRkcyB0aGUgY2FwYWJpbGl0eSB0 byBhZGQgbGludXggcmVnaW9uIHRvIGJlCj4+IGR1bXBlZCBhcyBwYXJ0IG9mIHJhbSBkdW1wIGNv bGxlY3Rpb24uIEl0IHByb3ZpZGVzIGFwcHJvcHJpYXRlIHN5bWJvbAo+PiB0byBjaGVjayBpdHMg ZW5hYmxlbWVudCBhbmQgcmVnaXN0ZXIgY2xpZW50IHJlZ2lvbnMuCj4+Cj4+IFRvIHNpbXBsaWZ5 IHBvc3QgbW9ydGVtIGRlYnVnZ2luZywgaXQgY3JlYXRlcyBhbmQgbWFpbnRhaW4gYW4gRUxGCj4+ IGhlYWRlciBhcyBmaXJzdCByZWdpb24gdGhhdCBnZXRzIHVwZGF0ZWQgd2l0aCB1cG9uIHJlZ2lz dHJhdGlvbgo+PiBvZiBhIG5ldyByZWdpb24uCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IE11a2VzaCBP amhhIDxxdWljX21vamhhQHF1aWNpbmMuY29tPgo+PiAtLS0KWy4uLl0KCj4+ICtpbnQgcWNvbV9t aW5pZHVtcF9yZWFkeSh2b2lkKQo+PiArewo+PiArwqDCoMKgIHZvaWQgKnB0cjsKPj4gK8KgwqDC oCBzdHJ1Y3QgZGV2aWNlX25vZGUgKm5wOwo+PiArwqDCoMKgIHN0YXRpYyBib29sIGlzX3NtZW1f YXZhaWxhYmxlID0gdHJ1ZTsKPj4gKwo+PiArwqDCoMKgIGlmICghaXNfc21lbV9hdmFpbGFibGUg fHwgIShucCA9IG9mX2ZpbmRfY29tcGF0aWJsZV9ub2RlKE5VTEwsIE5VTEwsICJxY29tLHNtZW0i KSkpIHsKPiAKPiBqdXN0IGNoZWNrIGZvciBkdCBub2RlIGhlcmUgZG9lcyBub3QgbWVhbiB0aGF0 IHNtZW0gZGV2aWNlIGlzIGF2YWlsYWJsZSwgeW91IHNob3VsZCBwcm9iYWJseSBjaGVjayBpZiB0 aGUgZGV2aWNlIGlzIGF2YWxpYWJsZSBhc3dlbGwgdXNpbmcgb2ZfZGV2aWNlX2lzX2F2YWlsYWJs ZSgpCj4gCj4gCj4gV2Ugc2hvdWxkIHByb2FiYWJseSByZXR1cm4gLUVQUk9CRURFRkVSIGluY2Fz ZSB0aGUgbm9kZSBpcyBwcmVzZW50IGFuZCBkZXZpY2UgaXMgbm90IHByZXNlbnQuCnFjb21fc21l bV9nZXQoKSBzZWVtcyB0byBoYW5kbGUgLUVQUk9CRV9ERUZFUiBpbnRlcm5hbGx5LCBzbyB0aGlz IGNoZWNrCm1heSBiZSBlbnRpcmVseSByZWR1bmRhbnQuCgpLb25yYWQKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGlu ZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMu aW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK