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Wed, 8 Jan 2020 14:45:08 -0500 (EST) Date: Wed, 8 Jan 2020 20:45:03 +0100 From: Greg KH To: Muni Sekhar Subject: Re: read the memory mapped address - pcie - kernel hangs Message-ID: <20200108194503.GA2555481@kroah.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernelnewbies-bounces@kernelnewbies.org T24gVGh1LCBKYW4gMDksIDIwMjAgYXQgMTI6MzA6MjBBTSArMDUzMCwgTXVuaSBTZWtoYXIgd3Jv dGU6Cj4gSGkgQWxsLAo+IAo+IEkgaGF2ZSBtb2R1bGUgd2l0aCBYaWxpbnggRlBHQS4gSXQgaW1w bGVtZW50cyBVQVJUKHMpLCBTUEkocyksCj4gcGFyYWxsZWwgSS9PIGFuZCBpbnRlcmZhY2VzIHRo ZW0gdG8gdGhlIEhvc3QgQ1BVIHZpYSBQQ0kgRXhwcmVzcyBidXMuCj4gSSBzZWUgdGhhdCBteSBz eXN0ZW0gZnJlZXplcyB3aXRob3V0IGNhcHR1cmluZyB0aGUgY3Jhc2ggZHVtcCBmb3IgY2VydGFp biB0ZXN0cy4KPiBJIGRlYnVnZ2VkIHRoaXMgaXNzdWUgYW5kIGl0IHdhcyB0cmFja2VkIGRvd24g dG8gdGhlIOKAmHJlYWRsKCnigJkgaW4KPiBpbnRlcnJ1cHQgaGFuZGxlciBjb2RlCj4gCj4gSW4g SVNSLCBmaXJzdCByZWFkcyB0aGUgSW50ZXJydXB0IFN0YXR1cyByZWdpc3RlciB1c2luZyDigJhy ZWFkbCgp4oCZIGFzCj4gZ2l2ZW4gYmVsb3cuCj4gICAgIHN0YXR1cyA9IHJlYWRsKGN0cmwtPnJl ZyArIElOVF9TVEFUVVMpOwo+IAo+IEFuZCB0aGVuIGNsZWFycyB0aGUgcGVuZGluZyBpbnRlcnJ1 cHRzIHVzaW5nIOKAmHdyaXRlbCgp4oCZIGFzIGdpdmVuIGJsb3cuCj4gICAgICAgICB3cml0ZWwo c3RhdHVzLCBjdHJsLT5yZWcgKyBJTlRfU1RBVFVTKTsKPiAKPiBJJ3ZlIG5vdGljZWQgYSBrZXJu ZWwgaGFuZyBpZiBJTlRfU1RBVFVTIHJlZ2lzdGVyIHJlYWQgYWdhaW4gYWZ0ZXIKPiBjbGVhcmlu ZyB0aGUgcGVuZGluZyBpbnRlcnJ1cHRzLgoKV2h5IHdvdWxkIHlvdSByZWFkIHRoYXQgcmVnaXN0 ZXIgYWdhaW4gYWZ0ZXIgd3JpdGluZyB0byBpdD8KCkFuZCBhcmUgeW91IHN1cmUgeW91IGFyZSBy ZWFkaW5nL3dyaXRpbmcgdGhlIGNvcnJlY3Qgc2l6ZSBvZiB0aGUgaXJxCmZpZWxkPyAgSSB0aG91 Z2h0IGl0IHdhcyBhICJ3b3JkIiBub3QgImxvbmciPyAgQnV0IHRoYXQgbWlnaHQgZGVwZW5kIG9u CnlvdXIgaGFyZHdhcmUsIGRvIHlvdSBoYXZlIGEgcG9pbnRlciB0byB0aGUga2VybmVsIGRyaXZl ciBzb3VyY2UgeW91IGFyZQp1c2luZyBmb3IgYWxsIG9mIHRoaXM/Cgp0aGFua3MsCgpncmVnIGst aAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KS2VybmVs bmV3YmllcyBtYWlsaW5nIGxpc3QKS2VybmVsbmV3Ymllc0BrZXJuZWxuZXdiaWVzLm9yZwpodHRw czovL2xpc3RzLmtlcm5lbG5ld2JpZXMub3JnL21haWxtYW4vbGlzdGluZm8va2VybmVsbmV3Ymll cwo=