From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shannon Zhao Subject: Re: [PATCH] arm/timer: fix panic when booting with DT Date: Fri, 4 Mar 2016 09:17:24 +0800 Message-ID: <56D8E224.2060601@huawei.com> References: <1457014238-12208-1-git-send-email-zhaoshenglong@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Stefano Stabellini Cc: stefano.stabellini@citrix.com, JBeulich@suse.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org CgpPbiAyMDE2LzMvMyAyMzo0NCwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+IE9uIFRodSwg MyBNYXIgMjAxNiwgU2hhbm5vbiBaaGFvIHdyb3RlOgo+PiA+IEZyb206IFNoYW5ub24gWmhhbyA8 c2hhbm5vbi56aGFvQGxpbmFyby5vcmc+Cj4+ID4gCj4+ID4gV2hpbGUgdG8gc3VwcG9ydCBBQ1BJ LCBwYXRjaCAiYXJtL2FjcGk6IFBhcnNlIEdURFQgdG8gaW5pdGlhbGl6ZSB0aW1lciIKPj4gPiBy ZWZhY3RvcnMgdGhlIGZ1bmN0aW9ucyBwcmVpbml0X3hlbl90aW1lIGFuZCBpbml0X3hlbl90aW1l LiBCdXQgaXQKPj4gPiB3cm9uZ2x5IG1vdmVzIHRoZSBwbGF0Zm9ybV9nZXRfaXJxIGZyb20gaW5p dF94ZW5fdGltZSB0bwo+PiA+IHByZWluaXRfZHRfeGVuX3RpbWUgYW5kIHRoaXMgd2lsbCBjYXVz ZSBib290aW5nIGZhaWx1cmUuCj4+ID4gCj4+ID4gU28gbW92ZSBwbGF0Zm9ybV9nZXRfaXJxIGJh Y2sgdG8gaW5pdF94ZW5fdGltZSB0byBmaXggaXQuCj4+ID4gCj4+ID4gU2lnbmVkLW9mZi1ieTog U2hhbm5vbiBaaGFvIDxzaGFubm9uLnpoYW9AbGluYXJvLm9yZz4KPiBTaGFubm9uLAo+IHRoYW5r IHlvdSBmb3IgZml4aW5nIHRoZSBpc3N1ZSBzbyBxdWlja2x5LCB2ZXJ5IGFwcHJlY2lhdGVkIQo+ IAo+IAo+PiA+ICB4ZW4vYXJjaC9hcm0vdGltZS5jIHwgMjcgKysrKysrKysrKysrKysrKy0tLS0t LS0tLS0tCj4+ID4gIDEgZmlsZSBjaGFuZ2VkLCAxNiBpbnNlcnRpb25zKCspLCAxMSBkZWxldGlv bnMoLSkKPj4gPiAKPj4gPiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL3RpbWUuYyBiL3hlbi9h cmNoL2FybS90aW1lLmMKPj4gPiBpbmRleCA1ZjhmOTc0Li42NmE0NTIwIDEwMDY0NAo+PiA+IC0t LSBhL3hlbi9hcmNoL2FybS90aW1lLmMKPj4gPiArKysgYi94ZW4vYXJjaC9hcm0vdGltZS5jCj4+ ID4gQEAgLTExOSw3ICsxMTksNiBAQCBzdGF0aWMgdm9pZCBfX2luaXQgcHJlaW5pdF9kdF94ZW5f dGltZSh2b2lkKQo+PiA+ICAgICAgfTsKPj4gPiAgICAgIGludCByZXM7Cj4+ID4gICAgICB1MzIg cmF0ZTsKPj4gPiAtICAgIHVuc2lnbmVkIGludCBpOwo+PiA+ICAKPj4gPiAgICAgIHRpbWVyID0g ZHRfZmluZF9tYXRjaGluZ19ub2RlKE5VTEwsIHRpbWVyX2lkcyk7Cj4+ID4gICAgICBpZiAoICF0 aW1lciApCj4+ID4gQEAgLTEzMywxNiArMTMyLDYgQEAgc3RhdGljIHZvaWQgX19pbml0IHByZWlu aXRfZHRfeGVuX3RpbWUodm9pZCkKPj4gPiAgICAgICAgICBjcHVfa2h6ID0gcmF0ZSAvIDEwMDA7 Cj4+ID4gICAgICAgICAgdGltZXJfZHRfY2xvY2tfZnJlcXVlbmN5ID0gcmF0ZTsKPj4gPiAgICAg IH0KPj4gPiAtCj4+ID4gLSAgICAvKiBSZXRyaWV2ZSBhbGwgSVJRcyBmb3IgdGhlIHRpbWVyICov Cj4+ID4gLSAgICBmb3IgKCBpID0gVElNRVJfUEhZU19TRUNVUkVfUFBJOyBpIDwgTUFYX1RJTUVS X1BQSTsgaSsrICkKPj4gPiAtICAgIHsKPj4gPiAtICAgICAgICByZXMgPSBwbGF0Zm9ybV9nZXRf aXJxKHRpbWVyLCBpKTsKPj4gPiAtCj4+ID4gLSAgICAgICAgaWYgKCByZXMgPCAwICkKPj4gPiAt ICAgICAgICAgICAgcGFuaWMoIlRpbWVyOiBVbmFibGUgdG8gcmV0cmlldmUgSVJRICV1IGZyb20g dGhlIGRldmljZSB0cmVlIiwgaSk7Cj4+ID4gLSAgICAgICAgdGltZXJfaXJxW2ldID0gcmVzOwo+ PiA+IC0gICAgfQo+PiA+ICB9Cj4+ID4gIAo+PiA+ICB2b2lkIF9faW5pdCBwcmVpbml0X3hlbl90 aW1lKHZvaWQpCj4+ID4gQEAgLTE2OCw2ICsxNTcsMjIgQEAgdm9pZCBfX2luaXQgcHJlaW5pdF94 ZW5fdGltZSh2b2lkKQo+PiA+ICAvKiBTZXQgdXAgdGhlIHRpbWVyIG9uIHRoZSBib290IENQVSAo bGF0ZSBpbml0IGZ1bmN0aW9uKSAqLwo+PiA+ICBpbnQgX19pbml0IGluaXRfeGVuX3RpbWUodm9p ZCkKPj4gPiAgewo+PiA+ICsgICAgaW50IHJlczsKPj4gPiArICAgIHVuc2lnbmVkIGludCBpOwo+ PiA+ICsKPj4gPiArICAgIGlmICggYWNwaV9kaXNhYmxlZCApCj4+ID4gKyAgICB7Cj4+ID4gKyAg ICAgICAgLyogUmV0cmlldmUgYWxsIElSUXMgZm9yIHRoZSB0aW1lciAqLwo+PiA+ICsgICAgICAg IGZvciAoIGkgPSBUSU1FUl9QSFlTX1NFQ1VSRV9QUEk7IGkgPCBNQVhfVElNRVJfUFBJOyBpKysg KQo+PiA+ICsgICAgICAgIHsKPj4gPiArICAgICAgICAgICAgcmVzID0gcGxhdGZvcm1fZ2V0X2ly cSh0aW1lciwgaSk7Cj4+ID4gKwo+PiA+ICsgICAgICAgICAgICBpZiAoIHJlcyA8IDAgKQo+PiA+ ICsgICAgICAgICAgICAgICAgcGFuaWMoIlRpbWVyOiBVbmFibGUgdG8gcmV0cmlldmUgSVJRICV1 IGZyb20gdGhlIGRldmljZSB0cmVlIiwgaSk7Cj4+ID4gKyAgICAgICAgICAgIHRpbWVyX2lycVtp XSA9IHJlczsKPj4gPiArICAgICAgICB9Cj4+ID4gKyAgICB9Cj4gQ291bGQgeW91IHBsZWFzZSBp bnRyb2R1Y2UgYSBzbWFsbCBsaXR0bGUgaW5pdF9kdF94ZW5fdGltZSBmdW5jdGlvbiBhbmQKPiBj YWxsIHRoYXQgaW5zdGVhZCBmcm9tIGhlcmU/ICBUaGFua3MhCj4gCk5vdCBzdXJlIGlmIGl0J3Mg bmVjZXNzYXJ5IHNpbmNlIGl0J3Mgb25seSB1c2VkIGhlcmUuIEJ1dCBpZiB5b3UgcmVhbGx5Cndh bnQgdGhhdCBJJ2xsIGFkZC4KClRoYW5rcywKLS0gClNoYW5ub24KCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=