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Tsirkin" To: Feng Liu Subject: Re: [PATCH 3/3] virtio_ring: Use const to annotate read-only pointer params Message-ID: <20230308094115-mutt-send-email-mst@kernel.org> References: <20230307035705.4479-1-feliu@nvidia.com> <20230307035705.4479-4-feliu@nvidia.com> <55af3dc3-ed82-c22a-1205-0a1b8315c88f@nvidia.com> <20230308091442-mutt-send-email-mst@kernel.org> <23961926-f975-54fd-6537-42a53ef34503@nvidia.com> <20230308092541-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: virtualization@lists.linux-foundation.org, Jiri Pirko , Bodong Wang , Gavin Li X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gV2VkLCBNYXIgMDgsIDIwMjMgYXQgMDk6NDA6MDNBTSAtMDUwMCwgRmVuZyBMaXUgd3JvdGU6 Cj4gSW4gZmFjdCwgSSBjb21waWxlZCBhbmQgdGVzdGVkIGxvY2FsbHkuIEkganVzdCBsb29rZWQg aXQgdXAgYW5kIGl0IG1pZ2h0IGJlCj4gdGhhdCBJIHdhcyBtaXNzaW5nIGEg4oCcZ2l0IGFkZOKA nSBhY3Rpb24gd2hpY2ggY2F1c2VkIHRoZSBwcm9ibGVtLiBCZWZvcmUgSQo+IHBvc3QgdGhlIHBh dGNoIGluIGZ1dHVyZSwgSSB3aWxsIGZpbmQgYSBjbGVhbiBrZXJuZWwgc291cmNlIGFuZCBhcHBs eSBteQo+IHBhdGNoIGZvciB0ZXN0aW5nIGluc3RlYWQgb2Ygb24gdGhlIGJyYW5jaCB3aGVyZSB0 aGUgY29kZSBpcyBtb2RpZmllZCwgc28gYXMKPiB0byBhdm9pZCB0aGlzIGtpbmQgb2YgcHJvYmxl bSBmcm9tIGhhcHBlbmluZyBhZ2Fpbi4gVmVyeSBzb3JyeSBmb3IgdGhpcwo+IHByb2JsZW0sIEkg d2lsbCBiZSBjYXJlZnVsIGFuZCBwYXkgYXR0ZW50aW9uIHRvIGl0IGxhdGVyCgpJIGhhdmUgYSBw cmUtcHVzaCBob29rIHNpbmNlIGl0IHdhcyBoYXBwZW5pbmcgdG8gbWUgYSBsb3Qgd2l0aCBwdXNo ZXM6CgoKIyEvYmluL3NoCgojIEFuIGV4YW1wbGUgaG9vayBzY3JpcHQgdG8gdmVyaWZ5IHdoYXQg aXMgYWJvdXQgdG8gYmUgcHVzaGVkLiAgQ2FsbGVkIGJ5ICJnaXQKIyBwdXNoIiBhZnRlciBpdCBo YXMgY2hlY2tlZCB0aGUgcmVtb3RlIHN0YXR1cywgYnV0IGJlZm9yZSBhbnl0aGluZyBoYXMgYmVl bgojIHB1c2hlZC4gIElmIHRoaXMgc2NyaXB0IGV4aXRzIHdpdGggYSBub24temVybyBzdGF0dXMg bm90aGluZyB3aWxsIGJlIHB1c2hlZC4KIwojIFRoaXMgaG9vayBpcyBjYWxsZWQgd2l0aCB0aGUg Zm9sbG93aW5nIHBhcmFtZXRlcnM6CiMKIyAkMSAtLSBOYW1lIG9mIHRoZSByZW1vdGUgdG8gd2hp Y2ggdGhlIHB1c2ggaXMgYmVpbmcgZG9uZQojICQyIC0tIFVSTCB0byB3aGljaCB0aGUgcHVzaCBp cyBiZWluZyBkb25lCiMKIyBJZiBwdXNoaW5nIHdpdGhvdXQgdXNpbmcgYSBuYW1lZCByZW1vdGUg dGhvc2UgYXJndW1lbnRzIHdpbGwgYmUgZXF1YWwuCiMKIyBJbmZvcm1hdGlvbiBhYm91dCB0aGUg Y29tbWl0cyB3aGljaCBhcmUgYmVpbmcgcHVzaGVkIGlzIHN1cHBsaWVkIGFzIGxpbmVzIHRvCiMg dGhlIHN0YW5kYXJkIGlucHV0IGluIHRoZSBmb3JtOgojCiMgICA8bG9jYWwgcmVmPiA8bG9jYWwg c2hhMT4gPHJlbW90ZSByZWY+IDxyZW1vdGUgc2hhMT4KIwojIFRoaXMgc2FtcGxlIHNob3dzIGhv dyB0byBwcmV2ZW50IHB1c2ggb2YgY29tbWl0cyB3aGVyZSB0aGUgbG9nIG1lc3NhZ2Ugc3RhcnRz CiMgd2l0aCAiV0lQIiAod29yayBpbiBwcm9ncmVzcykuCgpyZW1vdGU9IiQxIgp1cmw9IiQyIgoK ZWNobyAiUHJlIHB1c2ggaG9vayBmb3IgcmVtb3RlICR1cmwiCgojaWYKIwllY2hvICR1cmwgfGdy ZXAgXnJvb3RAdmlydGxhYiA+IC9kZXYvbnVsbAojdGhlbgojCWVjaG8gIkxhYiBwdXNoIG5vIG5l ZWQgdG8gY2hlY2siCiMJZXhpdCAwCiNmaQojCiNpZgojCWVjaG8gJHVybCB8Z3JlcCBeLyA+IC9k ZXYvbnVsbAojdGhlbgojCWVjaG8gIkxvY2FsIHB1c2ggbm8gbmVlZCB0byBjaGVjayIKIwlleGl0 IDAKI2ZpCgpjaGVja2VkPTAKSEVBRD1gZ2l0IHJldi1saXN0IC0xIEhFQURgCklGUz0nICcKd2hp bGUgcmVhZCBsb2NhbF9yZWYgbG9jYWxfc2hhIHJlbW90ZV9yZWYgcmVtb3RlX3NoYQpkbwogICAg aWYgWyAkY2hlY2tlZCA9IDAgXQogICAgdGhlbgoJaWYgWyAiJGxvY2FsX3NoYSIgPSAkSEVBRCBd Cgl0aGVuCgkJZWNobyAiUHVzaGluZyBIRUFEIHRvIHJlbW90ZS4gQ2hlY2tpbmcgdGhhdCB0cmVl IGlzIGNsZWFuLiIKCQlpZgoJCQlnaXQgZGlmZi1pbmRleCAtLXF1aWV0IEhFQUQKCQl0aGVuCgkJ CWVjaG8gLW4gIyBObyBkaWZmZXJlbmNlcwoJCWVsc2UKCQkJZWNobyAiRElGRiBpbiBIRUFELiBO b3QgcHVzaGVkLCBzdGFzaCBvciAtbm8tdmVyaWZ5ISIKCQkJZXhpdCAxCgkJZmkKCQljaGVja2Vk PTEKCWZpCiAgICBmaQpkb25lCgpleGl0IDAKCgoKQ29uc2lkZXIgc3RpY2tpbmcgdGhpcyBpbiBh IHBvc3QgY29tbWl0IGhvb2sgbWF5YmU/CgotLSAKTVNUCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmly dHVhbGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51 eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRpb24=