From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: Re: [PATCH v2 02/17] arm64: vgic-v3: Add ICV_BPR1_EL1 handler Date: Tue, 27 Mar 2018 12:11:59 +0100 Message-ID: <314008c4-cb7a-e42a-ecb0-46dedd8f8676@arm.com> References: <22c55d3f-ea39-4ece-b9f8-9007f776cde5@arm.com> <5b0854f4-a630-8b62-313c-843e98a73dba@caviumnetworks.com> <1874e4c5-85a5-2952-9dac-78804445d5cc@arm.com> <89277ead-19e1-7902-3f4a-ea5554e4ad53@caviumnetworks.com> <5e10a25f-516a-9a72-fdb3-f96a433562c7@arm.com> <5b29892e-7581-513c-7fc1-565b82ed6336@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1f0mWJ-00039Z-S4 for xen-devel@lists.xenproject.org; Tue, 27 Mar 2018 11:12:03 +0000 In-Reply-To: <5b29892e-7581-513c-7fc1-565b82ed6336@caviumnetworks.com> Content-Language: en-GB List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Manish Jaggi , Manish Jaggi , xen-devel@lists.xenproject.org, julien.grall@arm.com, sstabellini@kernel.org, andre.przywara@arm.com List-Id: xen-devel@lists.xenproject.org T24gMjcvMDMvMTggMTI6MDcsIE1hbmlzaCBKYWdnaSB3cm90ZToKPiAKPiAKPiBPbiAwMy8yNy8y MDE4IDA0OjM1IFBNLCBNYXJjIFp5bmdpZXIgd3JvdGU6Cj4+IE9uIDI3LzAzLzE4IDExOjU2LCBN YW5pc2ggSmFnZ2kgd3JvdGU6Cj4+Pgo+Pj4gT24gMDMvMjcvMjAxOCAwNDoxNSBQTSwgTWFyYyBa eW5naWVyIHdyb3RlOgo+Pj4+IE9uIDI3LzAzLzE4IDExOjM1LCBNYW5pc2ggSmFnZ2kgd3JvdGU6 Cj4+Pj4+IE9uIDAzLzI3LzIwMTggMDQ6MDAgUE0sIE1hcmMgWnluZ2llciB3cm90ZToKPj4+Pj4+ IE9uIDI3LzAzLzE4IDEwOjA3LCBNYW5pc2ggSmFnZ2kgd3JvdGU6Cj4+Pj4+Pj4gVGhpcyBwYXRj aCBpcyBwb3J0ZWQgdG8geGVuIGZyb20gbGludXggY29tbWl0Cj4+Pj4+Pj4gZDcwYzdiMzFhNjBm MjQ1OGYzNWMyMjYxMzFmMmEwMWE3YTk4YjZjZgo+Pj4+Pj4+IEtWTTogYXJtNjQ6IHZnaWMtdjM6 IEFkZCBJQ1ZfQlBSMV9FTDEgaGFuZGxlcgo+Pj4+Pj4+Cj4+Pj4+Pj4gQWRkIGEgaGFuZGxlciBm b3IgcmVhZGluZy93cml0aW5nIHRoZSBndWVzdCdzIHZpZXcgb2YgdGhlIElDQ19CUFIxX0VMMQo+ Pj4+Pj4+IHJlZ2lzdGVyLCB3aGljaCBpcyBsb2NhdGVkIGluIHRoZSBJQ0hfVk1DUl9FTDIuQlBS MSBmaWVsZC4KPj4+Pj4+Pgo+Pj4+Pj4+IFNpZ25lZC1vZmYtYnk6IE1hbmlzaCBKYWdnaSA8bWFu aXNoLmphZ2dpQGNhdml1bS5jb20+Cj4+Pj4+Pj4gLS0tCj4+Pj4+Pj4gICAgIHhlbi9hcmNoL2Fy bS9hcm02NC92Z2ljLXYzLXNyLmMgICAgIHwgNzAgKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKwo+Pj4+Pj4+ICAgICB4ZW4vaW5jbHVkZS9hc20tYXJtL2FybTY0L3N5c3JlZ3Mu aCB8ICAxICsKPj4+Pj4+PiAgICAgeGVuL2luY2x1ZGUvYXNtLWFybS9naWNfdjNfZGVmcy5oICAg fCAgNiArKysrCj4+Pj4+Pj4gICAgIDMgZmlsZXMgY2hhbmdlZCwgNzcgaW5zZXJ0aW9ucygrKQo+ Pj4+Pj4+Cj4+Pj4+Pj4gZGlmZiAtLWdpdCBhL3hlbi9hcmNoL2FybS9hcm02NC92Z2ljLXYzLXNy LmMgYi94ZW4vYXJjaC9hcm0vYXJtNjQvdmdpYy12My1zci5jCj4+Pj4+Pj4gaW5kZXggMzlhYjFl ZDZjYS4uZWQ0MjU0YWNmOSAxMDA2NDQKPj4+Pj4+PiAtLS0gYS94ZW4vYXJjaC9hcm0vYXJtNjQv dmdpYy12My1zci5jCj4+Pj4+Pj4gKysrIGIveGVuL2FyY2gvYXJtL2FybTY0L3ZnaWMtdjMtc3Iu Ywo+Pj4+Pj4+IEBAIC0xOCwxMCArMTgsNzYgQEAKPj4+Pj4+PiAgICAgICovCj4+Pj4+Pj4gICAg IAo+Pj4+Pj4+ICAgICAjaW5jbHVkZSA8YXNtL2N1cnJlbnQuaD4KPj4+Pj4+PiArI2luY2x1ZGUg PGFzbS9naWNfdjNfZGVmcy5oPgo+Pj4+Pj4+ICAgICAjaW5jbHVkZSA8YXNtL3JlZ3MuaD4KPj4+ Pj4+PiAgICAgI2luY2x1ZGUgPGFzbS9zeXN0ZW0uaD4KPj4+Pj4+PiAgICAgI2luY2x1ZGUgPGFz bS90cmFwcy5oPgo+Pj4+Pj4+ICAgICAKPj4+Pj4+PiArI2RlZmluZSB2dHJfdG9fbnJfcHJlX2Jp dHModikgICAgICgoKCh1aW50MzJfdCkodikgPj4gMjYpICYgNykgKyAxKQo+Pj4+Pj4+ICsKPj4+ Pj4+PiArc3RhdGljIGludCB2Z2ljX3YzX2Jwcl9taW4odm9pZCkKPj4+Pj4+PiArewo+Pj4+Pj4+ ICsgICAgLyogU2VlIFBzZXVkb2NvZGUgZm9yIFZQcmlvcml0eUdyb3VwICovCj4+Pj4+Pj4gKyAg ICByZXR1cm4gOCAtIHZ0cl90b19ucl9wcmVfYml0cyhSRUFEX1NZU1JFRzMyKElDSF9WVFJfRUwy KSk7Cj4+Pj4+Pj4gK30KPj4+Pj4+PiArCj4+Pj4+Pj4gK3N0YXRpYyB1bnNpZ25lZCBpbnQgdmdp Y192M19nZXRfYnByMCh1aW50MzJfdCB2bWNyKQo+Pj4+Pj4+ICt7Cj4+Pj4+Pj4gKyAgICByZXR1 cm4gKHZtY3IgJiBJQ0hfVk1DUl9CUFIwX01BU0spID4+IElDSF9WTUNSX0JQUjBfU0hJRlQ7Cj4+ Pj4+Pj4gK30KPj4+Pj4+PiArCj4+Pj4+Pj4gK3N0YXRpYyB1bnNpZ25lZCBpbnQgdmdpY192M19n ZXRfYnByMSh1aW50MzJfdCB2bWNyKQo+Pj4+Pj4+ICt7Cj4+Pj4+Pj4gKyAgICB1bnNpZ25lZCBp bnQgYnByOwo+Pj4+Pj4+ICsKPj4+Pj4+PiArICAgIGlmICggdm1jciAmIElDSF9WTUNSX0NCUFJf TUFTSyApCj4+Pj4+Pj4gKyAgICB7Cj4+Pj4+Pj4gKyAgICAgICAgYnByID0gdmdpY192M19nZXRf YnByMCh2bWNyKTsKPj4+Pj4+PiArICAgICAgICBpZiAoIGJwciA8IDcgKQo+Pj4+Pj4+ICsgICAg ICAgICAgICBicHIrKzsKPj4+Pj4+PiArICAgIH0KPj4+Pj4+PiArICAgIGVsc2UKPj4+Pj4+PiAr ICAgICAgICBicHIgPSAodm1jciAmIElDSF9WTUNSX0JQUjFfTUFTSykgPj4gSUNIX1ZNQ1JfQlBS MV9TSElGVDsKPj4+Pj4+PiArCj4+Pj4+Pj4gKyAgICByZXR1cm4gYnByOwo+Pj4+Pj4+ICt9Cj4+ Pj4+Pj4gKwo+Pj4+Pj4+ICtzdGF0aWMgdm9pZCB2Z2ljX3YzX3JlYWRfYnByMShzdHJ1Y3QgY3B1 X3VzZXJfcmVncyAqcmVncywgaW50IHJlZ2lkeCkKPj4+Pj4+PiArewo+Pj4+Pj4+ICsgICAgdWlu dDMyX3Qgdm1jciA9IFJFQURfU1lTUkVHMzIoSUNIX1ZNQ1JfRUwyKTsKPj4+Pj4+PiArCj4+Pj4+ Pj4gKyAgICBzZXRfdXNlcl9yZWcocmVncywgcmVnaWR4LCB2Z2ljX3YzX2dldF9icHIxKHZtY3Ip KTsKPj4+Pj4+PiArfQo+Pj4+Pj4+ICsKPj4+Pj4+PiArc3RhdGljIHZvaWQgdmdpY192M193cml0 ZV9icHIxKHN0cnVjdCBjcHVfdXNlcl9yZWdzICpyZWdzLCBpbnQgcmVnaWR4KQo+Pj4+Pj4+ICt7 Cj4+Pj4+Pj4gKyAgICByZWdpc3Rlcl90IHZhbCA9IGdldF91c2VyX3JlZyhyZWdzLCByZWdpZHgp Owo+Pj4+Pj4+ICsgICAgdWludDhfdCBicHJfbWluID0gdmdpY192M19icHJfbWluKCk7Cj4+Pj4+ Pj4gKyAgICB1aW50MzJfdCB2bWNyID0gUkVBRF9TWVNSRUczMihJQ0hfVk1DUl9FTDIpOwo+Pj4+ Pj4+ICsKPj4+Pj4+PiArICAgIGlmICggdm1jciAmIElDSF9WTUNSX0NCUFJfTUFTSyApCj4+Pj4+ Pj4gKyAgICAgICAgcmV0dXJuOwo+Pj4+Pj4+ICsKPj4+Pj4+PiArICAgIC8qIEVuZm9yY2UgQlBS IGxpbWl0aW5nICovCj4+Pj4+Pj4gKyAgICBpZiAoIHZhbCA8IGJwcl9taW4gKQo+Pj4+Pj4+ICsg ICAgICAgIHZhbCA9IGJwcl9taW47Cj4+Pj4+Pj4gKwo+Pj4+Pj4+ICsgICAgdmFsIDw8PSBJQ0hf Vk1DUl9CUFIxX1NISUZUOwo+Pj4+Pj4+ICsgICAgdmFsICY9IElDSF9WTUNSX0JQUjFfTUFTSzsK Pj4+Pj4+PiArICAgIHZtY3IgJj0gfklDSF9WTUNSX0JQUjFfTUFTSzsKPj4+Pj4+PiArICAgIHZt Y3IgfD0gdmFsOwo+Pj4+Pj4+ICsKPj4+Pj4+PiArICAgIFdSSVRFX1NZU1JFRzMyKHZtY3IsIElD SF9WTUNSX0VMMik7Cj4+Pj4+Pj4gK30KPj4+Pj4+PiArCj4+Pj4+Pj4gK3N0YXRpYyB2b2lkIHZy ZWdfZW11bGF0ZV9icHIxKHN0cnVjdCBjcHVfdXNlcl9yZWdzICpyZWdzLCBjb25zdCB1bmlvbiBo c3IgaHNyKQo+Pj4+Pj4+ICt7Cj4+Pj4+Pj4gKyAgICBpZiAoIGhzci5zeXNyZWcucmVhZCApCj4+ Pj4+Pj4gKyAgICAgICAgdmdpY192M19yZWFkX2JwcjEocmVncywgaHNyLnN5c3JlZy5yZWcpOwo+ Pj4+Pj4+ICsgICAgZWxzZQo+Pj4+Pj4+ICsgICAgICAgIHZnaWNfdjNfd3JpdGVfYnByMShyZWdz LCBoc3Iuc3lzcmVnLnJlZyk7Cj4+Pj4+Pj4gK30KPj4+Pj4+PiArCj4+Pj4+Pj4gICAgIC8qCj4+ Pj4+Pj4gICAgICAqIHJldHVybnMgdHJ1ZSBpZiB0aGUgcmVnaXN0ZXIgaXMgZW11bGF0ZWQuCj4+ Pj4+Pj4gICAgICAqLwo+Pj4+Pj4+IEBAIC00MCw2ICsxMDYsMTAgQEAgYm9vbCB2Z2ljX3YzX2hh bmRsZV9jcHVpZl9hY2Nlc3Moc3RydWN0IGNwdV91c2VyX3JlZ3MgKnJlZ3MpCj4+Pj4+Pj4gICAg IAo+Pj4+Pj4+ICAgICAgICAgc3dpdGNoICggaHNyLmJpdHMgJiBIU1JfU1lTUkVHX1JFR1NfTUFT SyApCj4+Pj4+Pj4gICAgICAgICB7Cj4+Pj4+Pj4gKyAgICBjYXNlIEhTUl9TWVNSRUdfSUNDX0JQ UjFfRUwxOgo+Pj4+Pj4+ICsgICAgICAgICB2cmVnX2VtdWxhdGVfYnByMShyZWdzLCBoc3IpOwo+ Pj4+Pj4+ICsgICAgICAgICBicmVhazsKPj4+Pj4+IFdoYXQgaXMgdGhlIHJhdGlvbmFsIGZvciBp bmRpcmVjdGluZyB0aHJvdWdoIGEgZnVuY3Rpb24gYW5kIG1vdmluZyB0aGUKPj4+Pj4+IHJlYWRp bmcgb2YgVk1DUiB0byB0aGUgbGVhZiBmdW5jdGlvbnM/IEkgYXBwcmVjaWF0ZSB0aGF0IHRoaXMg ZG9lc24ndAo+Pj4+Pj4gY2hhbmdlIG11Y2gsIGJ1dCBzaW5jZSB0aGlzIGlzIGEgcG9ydCBvZiBl eGlzdGluZyBjb2RlLCBpdCB3aWxsIG1ha2UKPj4+Pj4+IG1vcmUgY29tcGxleCB0aGUgcG9ydCBv ZiBwb3RlbnRpYWwgZml4ZXMuCj4+Pj4+IEkgdXNlZCB4ZW4gdGVtcGxhdGUgb2YgaGFuZGxpbmcg c3lzcmVnIHRyYXBzCj4+Pj4+IElmIHlvdSBzZWUgdGhlIGZpbGUgeGVuL2FyY2gvYXJtL2FybTY0 L3N5c3JlZy5jCj4+Pj4+IGEgaGFuZGxlX1hYWCBmdW5jdGlvbiBpcyB1c2VkIHRocm91Z2hvdXQu Li4KPj4+PiBTdXJlLCBidXQgdGhpcyBpcyBub3Qgc3lzcmVnLmMuIFRoaXMgaXMgYSBzZXBhcmF0 ZSBmaWxlIGZvciBhIHJlYXNvbgo+Pj4+IChpLmUuIGl0IGlzIGltcG9ydGVkIGNvZGUpLiBBbnl3 YXksIHRoYXQncyBmb3IgdGhlIFhlbiBtYWludGFpbmVycyB0bwo+Pj4+IGRlY2lkZS4KPj4+Pgo+ Pj4+IE1vcmUgaW1wb3J0YW50bHksIG15IG90aGVyIHF1ZXN0aW9uIHN0aWxsIHN0YW5kOiBtb3N0 IHRyYXAgZnVuY3Rpb25zIGRvCj4+Pj4gcmVxdWlyZSBWTUNSIGFzIGFuIGlucHV0LiBXaHkgbW92 aW5nIGl0IHRvIHRoZSBsZWFmIGZ1bmN0aW9ucz8KPj4+IFNhbWUgcmVhc29uLCBJIHdhcyBrZWVw aW5nIHRoZSBpbnRlcmZhY2Ugc2FtZSBvZiBhbGwgaGFuZGxlX1hYWCBmdW5jdGlvbnMKPj4+IGhh bmRsZV9YWFgocmVncywgaHNyLCAuLi4pCj4+Pgo+Pj4gRG8geW91IHdhbnQgbWUgdG8gY2hhbmdl IGJvdGggdG8gbWF0Y2ggd2l0aCB5b3VyIHBhdGNoIG9yIGl0IGlzIG9rPwo+PiBNeSBwcmVmZXJl bmNlIHdvdWxkIGJlIHRvIGtlZXAgdGhlIGNvZGUgYXMgaW5pdGlhbGx5IHdyaXR0ZW4sIGFzIHlv dSdyZQo+PiBwb2ludGxlc3NseSBjaGFuZ2luZyB0aGUgZmxvdy4gQWdhaW4sIHRoYXQncyBmb3Ig dGhlIG1haW50YWluZXJzIHRvCj4+IGNvbW1lbnQsIGJ1dCB5b3Ugc2hvdWxkIGF0IHRoZSB2ZXJ5 IGxlYXN0IGluZGljYXRlIHRoYXQgY2hhbmdlIGluIHRoZQo+PiBjb21taXQgbG9nLgo+IEkgZGlk IGluIHRoZSBjb3ZlciBsZXR0ZXIKd2hpY2gsIGNydWNpYWxseSwgZG9lc24ndCBlbmQtdXAgaW4g dGhlIGNvbW1pdC4gT2ggd2VsbC4KCglNLgotLSAKSmF6eiBpcyBub3QgZGVhZC4gSXQganVzdCBz bWVsbHMgZnVubnkuLi4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2 ZWw=