From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Subject: Re: [PATCH] xen/arm: setup: initialize xenheap mappings after boot pages avaiable Date: Wed, 1 Jun 2016 15:40:42 +0800 Message-ID: <20160601074027.GA29461@linux-7smt.suse> References: <1464327119-6242-1-git-send-email-van.freenix@gmail.com> <567844c6-6b60-6d7b-2f0c-5c940f4f7350@arm.com> <20160531095834.GA10141@linux-7smt.suse> <574DC516.3020104@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <574DC516.3020104@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall Cc: sstabellini@kernel.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org SGkgSnVsaWVuLAoKT24gVHVlLCBNYXkgMzEsIDIwMTYgYXQgMDY6MDg6MzhQTSArMDEwMCwgSnVs aWVuIEdyYWxsIHdyb3RlOgo+SGkgUGVuZywKPgo+T24gMzEvMDUvMTYgMTA6NTgsIFBlbmcgRmFu IHdyb3RlOgo+Pj4KPj4+PlNvLCBuZWVkIHRvIG1ha2Ugc3VyZSBib290IHBhZ2VzIGFyZSByZWFk eSBiZWZvcmUgc2V0dXAgeGVuaGVhcCBtYXBwaW5ncy4KPj4+Cj4+PmluaXRfYm9vdF9wYWdlcyBp cyB1c2luZyBtZm5fdG9fdmlydCAoc2VlIGJvb3RtZW1fcmVnaW9uX2FkZCksIHdoaWNoIGNhbm5v dAo+Pj53b3JrIHVudGlsIHhlbmhlYXBfbWZuX3N0YXJ0IGlzIGluaXRpYWxpemVkLiBUaGlzIGlz IGRvbmUgYnkKPj4+c2V0dXBfeGVuaGVhcF9tYXBwaW5ncy4KPj4KPj5NeSBiYWQuIEkgZGlkIG5v dCBjYXRjaCB0aGlzIHBvaW50LiBUaGFua3MgZm9yIGNvcnJlY3RpbmcgbWUuCj4+Cj4+Pgo+Pj5J IHdvdWxkIGJlIGhhcHB5IHRvIGdpdmUgeW91IGhpbnQgb24gaG93IHRvIHNvbHZlIHRoaXMsIGJ1 dCBJIGFtIG5vdCBzdXJlIHRvCj4+PmZ1bGx5IHVuZGVyc3RhbmQgeW91ciBpc3N1ZS4gQ2FuIHlv dSBnaXZlIG1vcmUgZGV0YWlscz8KPj4KPj5JIGRpZCBub3QgbWV0IGlzc3VlIG9uIG15IHBsYXRm b3JtLiBJIGp1c3QgdGhpbmsgdGhlIGxvZ2ljIG9mIHRoaXMgcGllY2UgY29kZQo+Pm1heSBjYXVz ZSBlcnJvcnMgb24gcGxhdGZvcm0gd2l0aCBsYXJnZSBtZW1vcnkgKD41MTJHQikuCj4+Cj4+SG93 IGFib3V0IHRoZSBmb2xsb3dpbmcgcGF0Y2g/Cj4+Rmlyc3QgbG9vcCBhbGwgdGhlIG1lbW9yeSBi YW5rcyBhbmQgY2FsY3VsYXRlIHJhbV9zaXplL3JhbV9zdGFydC9yYW1fZW5kLAo+PnRoZW4gc2V0 IHhlbmhlYXBfdmlydF9lbmQvc3RhcnQgYW5kIHhlbmhlYXBfbWZuX2VuZC4KPj5Ob3cgcmVhZGx5 IGZvciBpbml0IGJvb3QgcGFnZXMgYW5kIHNldHVwX3hlbmhlYXBfbWFwcGluZ3MuCj4KPkhhdmUg eW91IHRlc3RlZCB0aGlzIHBhdGNoPyBJIHdvdWxkIGJlIHN1cnByaXNlZCB0byBzZWUgaXQgd29y a2luZy4KCk5vdCB0ZXN0ZWQgKDotIEp1c3QgYW4gaWRlYSBpbiBteSBtaW5kLgoKPgo+Pgo+PmRp ZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vc2V0dXAuYyBiL3hlbi9hcmNoL2FybS9zZXR1cC5jCj4+ aW5kZXggZGNiMjNiNy4uZDNhM2FmMyAxMDA2NDQKPj4tLS0gYS94ZW4vYXJjaC9hcm0vc2V0dXAu Ywo+PisrKyBiL3hlbi9hcmNoL2FybS9zZXR1cC5jCj4+QEAgLTYzNSwxMyArNjM1LDI0IEBAIHN0 YXRpYyB2b2lkIF9faW5pdCBzZXR1cF9tbSh1bnNpZ25lZCBsb25nIGR0Yl9wYWRkciwgc2l6ZV90 IGR0Yl9zaXplKQo+PiAgICAgICAgICBwYWRkcl90IGJhbmtfc3RhcnQgPSBib290aW5mby5tZW0u YmFua1tiYW5rXS5zdGFydDsKPj4gICAgICAgICAgcGFkZHJfdCBiYW5rX3NpemUgPSBib290aW5m by5tZW0uYmFua1tiYW5rXS5zaXplOwo+PiAgICAgICAgICBwYWRkcl90IGJhbmtfZW5kID0gYmFu a19zdGFydCArIGJhbmtfc2l6ZTsKPj4tICAgICAgICBwYWRkcl90IHMsIGU7Cj4+Cj4+ICAgICAg ICAgIHJhbV9zaXplID0gcmFtX3NpemUgKyBiYW5rX3NpemU7Cj4+ICAgICAgICAgIHJhbV9zdGFy dCA9IG1pbihyYW1fc3RhcnQsYmFua19zdGFydCk7Cj4+ICAgICAgICAgIHJhbV9lbmQgPSBtYXgo cmFtX2VuZCxiYW5rX2VuZCk7Cj4+KyAgICB9Cj4+Cj4+LSAgICAgICAgc2V0dXBfeGVuaGVhcF9t YXBwaW5ncyhiYW5rX3N0YXJ0Pj5QQUdFX1NISUZULCBiYW5rX3NpemU+PlBBR0VfU0hJRlQpOwo+ PisgICAgdG90YWxfcGFnZXMgKz0gcmFtX3NpemUgPj4gUEFHRV9TSElGVDsKPj4rCj4+KyAgICB4 ZW5oZWFwX3ZpcnRfZW5kID0gWEVOSEVBUF9WSVJUX1NUQVJUICsgcmFtX2VuZCAtIHJhbV9zdGFy dDsKPgo+WEVOSEVBUF9WSVJUX1NUQVJUIHdpbGwgYmUgcmVwbGFjZWQgYnkgeGVuaGVhcF92aXJ0 X3N0YXJ0IHdoaWNoIGlzIG5vdAo+aW5pdGlhbGl6ZWQgYXQgdGhpcyB0aW1lLiBJdCBpcyBkb25l IGJ5IHNldHVwX3hlbmhlYXBfbWFwcGluZ3MuCgpDb3VsZCB3ZSBtb3ZlIHRoZSBwaWVjZSBjb2Rl IG91dCB0byBzZXR1cF9tbSwgYmVmb3JlIGluaXRfYm9vdF9wYWdlcyBhbmQgc2V0dXBfeGVuaGVh cF9tYXBwaW5ncz8KIgogICAgICAgIHhlbmhlYXBfdmlydF9zdGFydCA9IERJUkVDVE1BUF9WSVJU X1NUQVJUICsKICAgICAgICAgICAgKGJhc2VfbWZuIC0gbWZuKSAqIFBBR0VfU0laRTsKIgoKPgo+ SW4gYW55IGNhc2UsIGV2ZW4gaWYgdGhlIHZhcmlhYmxlIGFyZSBjb3JyZWN0bHkgc2V0dXAgdGhl IHVuZGVybHlpbmcgcGFnZQo+dGFibGUgYXJlIG5vdCBwcmVzZW50LgoKWWVhaCwgYnV0IHNldHVw X21tIGlzIG9ubHkgZXhlY3V0ZWQgb24gb25lIGNwdSBhbmQgdGhpcyBpcyBvbmx5IGZvciBpbnRp YWxpemF0aW9uLgpEb2VzIHRoYXQgcmVhbGx5IG1hdHRlciBpZiB1bmRlcmx5aW5nIHBhZ2UgdGFi bGUgYXJlIG5vdCByZWFkeT8KCj4KPlRoZSBlYXNpZXN0IHdheSBJIGNhbiB0aGluayB0byBmaXgg dGhlIHByb2JsZW0gaXMgc3BsaXR0aW5nIHRoZSBiYW5rIHdpdGgKPmNodW5rIG9mIDUxMkdCIGFu ZCBjYWxsaW5nIHNldHVwX3hlbmhlYXBfbWFwcGluZ3MsIGluaXRfYm9vdF9wYWdlcyBmb3IgZWFj aAo+Y2h1bmsuCgpEbyB5b3UgbWVhbiBsZXQgcHJvY2Vzc19tZW1vcnlfbm9kZSBoYW5kbGUgdGhl ID41MTJHQiBtZW1vcnkgYmFuaz8KCj4KPkl0IGlzIG5vdCB0aGUgbmljZXN0IHdheSwgc28gSSB3 aWxsIGhhcHB5IGlmIHlvdSBmaW5kIGEgYmV0dGVyIG9uZS4KCkkgaGF2ZSBubyBnb29kIGlkZWEg bm93ICg6CkkgY2FuIGZvbGxvdyB5b3VyIHN1Z2dlc3Rpb24gdG8gc3BsaXQgdGhlID41MTJHQiBp bnRvIHNtYWxsZXIgYmFua3Mgd2hlbiBmaWxsaW5nCmJvb3RpbmZvLm1lbS5iYW5rW3h4XS5zdGFy dCBhbmQgYm9vdGluZm8ubWVtLmJhbmtbeHhdLnNpemUsIGlmIHlvdSBhcmUgaGFwcHkKd2l0aCB0 aGlzIHdheS4KClRoYW5rcywKUGVuZy4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhl bi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==