From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jaf2X-0002wX-3f for kexec@lists.infradead.org; Mon, 18 May 2020 12:38:42 +0000 Message-ID: <1589805462.5111.107.camel@linux.ibm.com> Subject: Re: [PATCH 0/3] fs: reduce export usage of kerne_read*() calls From: Mimi Zohar Date: Mon, 18 May 2020 08:37:42 -0400 In-Reply-To: <20200518062255.GB15641@infradead.org> References: <20200513152108.25669-1-mcgrof@kernel.org> <20200513181736.GA24342@infradead.org> <20200515212933.GD11244@42.do-not-panic.com> <20200518062255.GB15641@infradead.org> Mime-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Christoph Hellwig , Luis Chamberlain Cc: rafael@kernel.org, dhowells@redhat.com, paul@paul-moore.com, nayna@linux.ibm.com, jmorris@namei.org, geert@linux-m68k.org, dan.carpenter@oracle.com, keescook@chromium.org, scott.branden@broadcom.com, selinux@vger.kernel.org, viro@zeniv.linux.org.uk, skhan@linuxfoundation.org, eparis@parisplace.org, tglx@linutronix.de, gregkh@linuxfoundation.org, stephen.smalley.work@gmail.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, ebiederm@xmission.com, jeyu@kernel.org, linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org, bauerman@linux.ibm.com SGkgQ2hyaXN0b3BoLAoKT24gU3VuLCAyMDIwLTA1LTE3IGF0IDIzOjIyIC0wNzAwLCBDaHJpc3Rv cGggSGVsbHdpZyB3cm90ZToKPiBPbiBGcmksIE1heSAxNSwgMjAyMCBhdCAwOToyOTozM1BNICsw MDAwLCBMdWlzIENoYW1iZXJsYWluIHdyb3RlOgo+ID4gT24gV2VkLCBNYXkgMTMsIDIwMjAgYXQg MTE6MTc6MzZBTSAtMDcwMCwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4gPiA+IENhbiB5b3Ug YWxzbyBtb3ZlIGtlcm5lbF9yZWFkXyogb3V0IG9mIGZzLmg/ICBUaGF0IGhlYWRlciBnZXRzIHB1 bGxlZAo+ID4gPiBpbiBqdXN0IGFib3V0IGV2ZXJ5d2hlcmUgYW5kIGRvZXNuJ3QgcmVhbGx5IG5l ZWQgZnVuY3Rpb24gbm90IHJlbGF0ZWQKPiA+ID4gdG8gdGhlIGdlbmVyYWwgZnMgaW50ZXJmYWNl Lgo+ID4gCj4gPiBTdXJlLCB3aGVyZSBzaG91bGQgSSBkdW1wIHRoZXNlPwo+IAo+IE1heWJlIGEg bmV3IGxpbnV4L2tlcm5lbF9yZWFkX2ZpbGUuaD8gIEJvbnVzIHBvaW50cyBmb3IgYSBzbWFsbCB0 b3AKPiBvZiB0aGUgZmlsZSBjb21tZW50IGV4cGxhaW5pbmcgdGhlIHBvaW50IG9mIHRoZSBpbnRl cmZhY2UsIHdoaWNoIEkKPiBzdGlsbCBkb24ndCBnZXQgOikKCkluc3RlYWQgb2Ygcm9sbGluZyB5 b3VyIG93biBtZXRob2Qgb2YgaGF2aW5nIHRoZSBrZXJuZWwgcmVhZCBhIGZpbGUsCndoaWNoIHJl cXVpcmVzIGNhbGwgc3BlY2lmaWMgc2VjdXJpdHkgaG9va3MsIHRoaXMgaW50ZXJmYWNlIHByb3Zp ZGVzIGEKc2luZ2xlIGdlbmVyaWMgc2V0IG9mIHByZSBhbmQgcG9zdCBzZWN1cml0eSBob29rcy7C oMKgVGhlCmtlcm5lbF9yZWFkX2ZpbGVfaWQgZW51bWVyYXRpb24gcGVybWl0cyB0aGUgc2VjdXJp dHkgaG9vayB0bwpkaWZmZXJlbnRpYXRlIGJldHdlZW4gY2FsbGVycy4KClRvIGNvbXBseSB3aXRo IHNlY3VyZSBhbmQgdHJ1c3RlZCBib290IGNvbmNlcHRzLCBhIGZpbGUgY2Fubm90IGJlCmFjY2Vz c2libGUgdG8gdGhlIGNhbGxlciB1bnRpbCBhZnRlciBpdCBoYXMgYmVlbiBtZWFzdXJlZCBhbmQv b3IgdGhlCmludGVncml0eSAoaGFzaC9zaWduYXR1cmUpIGFwcHJhaXNlZC4KCkluIHNvbWUgY2Fz ZXMsIHRoZSBmaWxlIHdhcyBwcmV2aW91c2x5IHJlYWQgdHdpY2UsIGZpcnN0IHRvIG1lYXN1cmUK YW5kL29yIGFwcHJhaXNlIHRoZSBmaWxlIGFuZCB0aGVuIHJlYWQgYWdhaW4gaW50byBhIGJ1ZmZl ciBmb3IKdXNlLsKgwqBUaGlzIGludGVyZmFjZSByZWFkcyB0aGUgZmlsZSBpbnRvIGEgYnVmZmVy IG9uY2UsIGNhbGxzIHRoZQpnZW5lcmljIHBvc3Qgc2VjdXJpdHkgaG9vaywgYmVmb3JlIHByb3Zp ZGluZyB0aGUgYnVmZmVyIHRvIHRoZSBjYWxsZXIuCsKgKE5vdGUgdXNpbmcgZmlybXdhcmUgcHJl LWFsbG9jYXRlZCBtZW1vcnkgbWlnaHQgYmUgYW4gaXNzdWUuKQoKUGFydGlhbCByZWFkaW5nIGZp cm13YXJlIHdpbGwgcmVzdWx0IGluIG5lZWRpbmcgdG8gcHJlLXJlYWQgdGhlIGVudGlyZQpmaWxl LCBtb3N0IGxpa2VseSBvbiB0aGUgc2VjdXJpdHkgcHJlIGhvb2suCgpNaW1pCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwprZXhlYyBtYWlsaW5nIGxpc3QK a2V4ZWNAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWls bWFuL2xpc3RpbmZvL2tleGVjCg==