From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Rutland Subject: Re: [PATCH v11 12/17] ARM64: ACPI: Check if it runs on Xen to enable or disable ACPI Date: Fri, 22 Apr 2016 11:32:50 +0100 Message-ID: <20160422103250.GC10606__44271.2601427504$1461321254$gmane$org@leverpostej> References: <1460030614-16112-1-git-send-email-zhaoshenglong@huawei.com> <1460030614-16112-13-git-send-email-zhaoshenglong@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline 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 , catalin.marinas@arm.com, will.deacon@arm.com Cc: devicetree@vger.kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xen.org, julien.grall@arm.com, david.vrabel@citrix.com, peter.huangpeng@huawei.com, linux-arm-kernel@lists.infradead.org, shannon.zhao@linaro.org List-Id: xen-devel@lists.xenproject.org T24gV2VkLCBBcHIgMjAsIDIwMTYgYXQgMTA6MzQ6NDFBTSArMDEwMCwgU3RlZmFubyBTdGFiZWxs aW5pIHdyb3RlOgo+IEhlbGxvIE1hcmssCj4gCj4gZG8geW91IHRoaW5rIHRoYXQgdGhpcyBwYXRj aCBhZGRyZXNzZXMgeW91ciBwcmV2aW91cyBjb21tZW50cwo+IChodHRwOi8vbWFyYy5pbmZvLz9s PWRldmljZXRyZWUmbT0xNDU5MjY5MTMwMDg1NDQmdz0yKSBhcHByb3ByaWF0ZWx5Pwo+IAo+IFRo YW5rcywKPiAKPiBTdGVmYW5vCj4gCj4gT24gVGh1LCA3IEFwciAyMDE2LCBTaGFubm9uIFpoYW8g d3JvdGU6Cj4gPiBGcm9tOiBTaGFubm9uIFpoYW8gPHNoYW5ub24uemhhb0BsaW5hcm8ub3JnPgo+ ID4gCj4gPiBXaGVuIGl0J3MgYSBYZW4gZG9tYWluMCBib290aW5nIHdpdGggQUNQSSwgaXQgd2ls bCBzdXBwbHkgYSAvY2hvc2VuIGFuZAo+ID4gYSAvaHlwZXJ2aXNvciBub2RlIGluIERULiBTbyBj aGVjayBpZiBpdCBuZWVkcyB0byBlbmFibGUgQUNQSS4KPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTog U2hhbm5vbiBaaGFvIDxzaGFubm9uLnpoYW9AbGluYXJvLm9yZz4KPiA+IFJldmlld2VkLWJ5OiBT dGVmYW5vIFN0YWJlbGxpbmkgPHN0ZWZhbm8uc3RhYmVsbGluaUBldS5jaXRyaXguY29tPgo+ID4g QWNrZWQtYnk6IEhhbmp1biBHdW8gPGhhbmp1bi5ndW9AbGluYXJvLm9yZz4KPiA+IC0tLQo+ID4g IGFyY2gvYXJtNjQva2VybmVsL2FjcGkuYyB8IDE0ICsrKysrKysrKystLS0tCj4gPiAgMSBmaWxl IGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4gPiAKPiA+IGRpZmYg LS1naXQgYS9hcmNoL2FybTY0L2tlcm5lbC9hY3BpLmMgYi9hcmNoL2FybTY0L2tlcm5lbC9hY3Bp LmMKPiA+IGluZGV4IGQxY2U4ZTIuLjU3ZWUzMTcgMTAwNjQ0Cj4gPiAtLS0gYS9hcmNoL2FybTY0 L2tlcm5lbC9hY3BpLmMKPiA+ICsrKyBiL2FyY2gvYXJtNjQva2VybmVsL2FjcGkuYwo+ID4gQEAg LTY3LDEwICs2NywxNSBAQCBzdGF0aWMgaW50IF9faW5pdCBkdF9zY2FuX2RlcHRoMV9ub2Rlcyh1 bnNpZ25lZCBsb25nIG5vZGUsCj4gPiAgewo+ID4gIAkvKgo+ID4gIAkgKiBSZXR1cm4gMSBhcyBz b29uIGFzIHdlIGVuY291bnRlciBhIG5vZGUgYXQgZGVwdGggMSB0aGF0IGlzCj4gPiAtCSAqIG5v dCB0aGUgL2Nob3NlbiBub2RlLgo+ID4gKwkgKiBub3QgdGhlIC9jaG9zZW4gbm9kZSwgb3IgL2h5 cGVydmlzb3Igbm9kZSB3aXRoIGNvbXBhdGlibGUKPiA+ICsJICogc3RyaW5nICJ4ZW4seGVuIi4K PiA+ICAJICovCj4gPiAtCWlmIChkZXB0aCA9PSAxICYmIChzdHJjbXAodW5hbWUsICJjaG9zZW4i KSAhPSAwKSkKPiA+IC0JCXJldHVybiAxOwo+ID4gKwlpZiAoZGVwdGggPT0gMSAmJiAoc3RyY21w KHVuYW1lLCAiY2hvc2VuIikgIT0gMCkpIHsKPiA+ICsJCWlmIChzdHJjbXAodW5hbWUsICJoeXBl cnZpc29yIikgIT0gMCB8fAo+ID4gKwkJICAgICFvZl9mbGF0X2R0X2lzX2NvbXBhdGlibGUobm9k ZSwgInhlbix4ZW4iKSkKPiA+ICsJCQlyZXR1cm4gMTsKPiA+ICsJfQo+ID4gKwo+ID4gIAlyZXR1 cm4gMDsKPiA+ICB9CgpJcyB0aGUgZHVwbGljYXRlIG5vZGUgY2hlY2tpbmcgbG9naWMgSSBtZW50 aW9uZWQgaW4gdGhhdCByZXZpZXcgZ29uZT8KaS5lLiBkbyB3ZSBub3QgbmVlZCBhbiBpc194ZW5f bm9kZSgpIGhlbHBlcj8KCkFkZGl0aW9uYWxseSwgSU1PLCB0aGlzIHdvdWxkIGJlIGVhc2llciB0 byBmb2xsb3cgd2l0aG91dCB0aGUgbmVzdGVkCmNvbmRpdGlvbmFscywgZS5nLgoKc3RhdGljIGlu dCBfX2luaXQgZHRfc2Nhbl9kZXB0aDFfbm9kZXModW5zaWduZWQgbG9uZyBub2RlLAoJCQkJICAg ICAgIGNvbnN0IGNoYXIgKnVuYW1lLCBpbnQgZGVwdGgsCgkJCQkgICAgICAgdm9pZCAqZGF0YSkK ewoJLyoKCSAqIElnbm9yZSBhbnl0aGluZyBub3QgZGlyZWN0bHkgdW5kZXIgdGhlIHJvb3Qgbm9k ZTsgd2UnbGwKCSAqIGNhdGNoIGl0cyBwYXJlbnQgaW5zdGVhZC4KCSAqLwoJaWYgKGRlcHRoICE9 IDEpCgkJcmV0dXJuIDA7CgoJaWYgKHN0cmNtcCh1bmFtZSwgImNob3NlbiIpID09IDApCgkJcmV0 dXJuIDA7CgoJaWYgKHN0cmNtcCh1bmFtZSwgImh5cGVydmlzb3IiKSA9PSAwICYmCgkgICAgb2Zf ZmxhdF9kdF9pc19jb21wYXRpYmxlKG5vZGUsICJ4ZW4seGVuIikpCgkJcmV0dXJuIDA7CgoJLyoK CSAqIFRoaXMgbm9kZSBhdCBkZXB0aCAxIGlzIG5laXRoZXIgYSBjaG9zZW4gbm9kZSBub3IgYSB4 ZW4gbm9kZSwKCSAqIHdoaWNoIHdlIGRvIG5vdCBleHBlY3QuCgkgKi8KCXJldHVybiAxOwp9CgpP dGhlcndpc2UsIHRoaXMgbG9va3MgZmluZSB0byBtZS4gRldJVywgZWl0aGVyIHdheToKCkFja2Vk LWJ5OiBNYXJrIFJ1dGxhbmQgPG1hcmsucnV0bGFuZEBhcm0uY29tPgoKQXMgdGhpcyBpcyBjb3Jl IGFybTY0IGNvZGUsIEkgYmVsaWV2ZSB5b3UnbGwgbmVlZCBhY2tzIGZyb20gQ2F0YWxpbgphbmQv b3IgV2lsbCAoYW5kIGxpa2V3aXNlIGZvciBwYXRjaCAxNSksIHVubGVzcyBJJ3ZlIG1pc3NlZCB0 aG9zZS4KClRoYW5rcywKTWFyay4KCj4gPiAgCj4gPiBAQCAtMTg0LDcgKzE4OSw4IEBAIHZvaWQg X19pbml0IGFjcGlfYm9vdF90YWJsZV9pbml0KHZvaWQpCj4gPiAgCS8qCj4gPiAgCSAqIEVuYWJs ZSBBQ1BJIGluc3RlYWQgb2YgZGV2aWNlIHRyZWUgdW5sZXNzCj4gPiAgCSAqIC0gQUNQSSBoYXMg YmVlbiBkaXNhYmxlZCBleHBsaWNpdGx5IChhY3BpPW9mZiksIG9yCj4gPiAtCSAqIC0gdGhlIGRl dmljZSB0cmVlIGlzIG5vdCBlbXB0eSAoaXQgaGFzIG1vcmUgdGhhbiBqdXN0IGEgL2Nob3NlbiBu b2RlKQo+ID4gKwkgKiAtIHRoZSBkZXZpY2UgdHJlZSBpcyBub3QgZW1wdHkgKGl0IGhhcyBtb3Jl IHRoYW4ganVzdCBhIC9jaG9zZW4gbm9kZSwKPiA+ICsJICogICBhbmQgYSAvaHlwZXJ2aXNvciBu b2RlIHdoZW4gcnVubmluZyBvbiBYZW4pCj4gPiAgCSAqICAgYW5kIEFDUEkgaGFzIG5vdCBiZWVu IGZvcmNlIGVuYWJsZWQgKGFjcGk9Zm9yY2UpCj4gPiAgCSAqLwo+ID4gIAlpZiAocGFyYW1fYWNw aV9vZmYgfHwKPiA+IC0tIAo+ID4gMi4wLjQKPiA+IAo+ID4gCj4gCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=