From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CB75C83019 for ; Fri, 27 Nov 2020 16:42:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2B2D922240 for ; Fri, 27 Nov 2020 16:42:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="PQkuXj5f" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2B2D922240 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9B1416EE61; Fri, 27 Nov 2020 16:42:16 +0000 (UTC) Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by gabe.freedesktop.org (Postfix) with ESMTPS id 08F076EE59 for ; Fri, 27 Nov 2020 16:42:14 +0000 (UTC) Received: by mail-wr1-x442.google.com with SMTP id 64so6184732wra.11 for ; Fri, 27 Nov 2020 08:42:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rW60Jo5EYOrfW48enxn4HuDZHwz18Yu4cEXjV+kmxhI=; b=PQkuXj5frTE5y11eiKAgq79LrIZ8tE/zx4eh3eEZQp6giLCWCHkekWBtjZn+b6apiX OettDGs7KeV6c1u5GVEgBTyePxi+k0YgxvAkEqvC0lu/PHO5FoD5SaGsKYrsR8iraWxV gzEOq3melTr0FDtkd450cWQdzdipC9arwKkow= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rW60Jo5EYOrfW48enxn4HuDZHwz18Yu4cEXjV+kmxhI=; b=e7vFLhFRrIAACmlLCXrvtYd2H39dLsOxOSmf64lqYCidoO15fBtF58BgGywmCB3tRy 5yoLHyeL0TrjbwCngWQ8hnycbPT4/WRdDdVKdxoDjSaYGhyz1aAkOzr8hIuR5NEPnH+n FVlIAShQSAycOMOP/R9AULtELEUTFaLo2nERgCfRPMIcePaAc0s7USRm2V2yR2o5Qxhk XUghsBR1+mKBmDYsaCFJ3BBgszk6QC0uJimSpS+1JFTcOdFLJdheJ2qeOQayuViOWKXu Zmy7I/IAEhv1RraGri4FbRhReCFVp4k4sXTV1MU4N5xzf7A6LbXpm73ET/qVuu0qoeWI p+NA== X-Gm-Message-State: AOAM533X/HcuqK/WWO1NTg5eQtLwJ549ndEo6SE0xbEJBHVY2oCdV9mf whNAtAm8aqLq1dw+ZsiAfoWbAC55AVA4wg== X-Google-Smtp-Source: ABdhPJy7N8sWlvrZkrO6DwKDVYKhPGfBm7BDjLJVeT6c/8cd28+5xGF25PU+qwVqK2WiY3xNRptmuw== X-Received: by 2002:adf:f3d1:: with SMTP id g17mr11762819wrp.201.1606495332522; Fri, 27 Nov 2020 08:42:12 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id q12sm14859078wrx.86.2020.11.27.08.42.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Nov 2020 08:42:11 -0800 (PST) From: Daniel Vetter To: DRI Development , LKML Subject: [PATCH v7 11/17] sysfs: Support zapping of binary attr mmaps Date: Fri, 27 Nov 2020 17:41:25 +0100 Message-Id: <20201127164131.2244124-12-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201127164131.2244124-1-daniel.vetter@ffwll.ch> References: <20201127164131.2244124-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jan Kara , kvm@vger.kernel.org, "Rafael J. Wysocki" , Daniel Vetter , linux-mm@kvack.org, Daniel Vetter , Christian Brauner , linux-samsung-soc@vger.kernel.org, Mauro Carvalho Chehab , Michael Ellerman , Nayna Jain , Jason Gunthorpe , linux-pci@vger.kernel.org, linux-media@vger.kernel.org, Kees Cook , John Hubbard , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Bjorn Helgaas , Dan Williams , linux-arm-kernel@lists.infradead.org, Greg Kroah-Hartman , Sourabh Jain , Andrew Morton , "David S. Miller" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" V2Ugd2FudCB0byBiZSBhYmxlIHRvIHJldm9rZSBwY2kgbW1hcHMgc28gdGhhdCB0aGUgc2FtZSBh Y2Nlc3MgcnVsZXMKYXBwbGllcyBhcyBmb3IgL2Rldi9rbWVtLiBSZXZva2Ugc3VwcG9ydCBmb3Ig ZGV2bWVtIHdhcyBhZGRlZCBpbgozMjM0YWM2NjRhODcgKCIvZGV2L21lbTogUmV2b2tlIG1hcHBp bmdzIHdoZW4gYSBkcml2ZXIgY2xhaW1zIHRoZQpyZWdpb24iKS4KClRoZSBzaW1wbGVzdCB3YXkg dG8gYWNoaWV2ZSB0aGlzIGlzIGJ5IGhhdmluZyB0aGUgc2FtZSBmaWxwLT5mX21hcHBpbmcKZm9y IGFsbCBtYXBwaW5ncywgc28gdGhhdCB1bm1hcF9tYXBwaW5nX3JhbmdlIGNhbiBmaW5kIHRoZW0g YWxsLCBubwptYXR0ZXIgdGhyb3VnaCB3aGljaCBmaWxlIHRoZXkndmUgYmVlbiBjcmVhdGVkLiBT aW5jZSB0aGlzIG11c3QgYmUgc2V0CmF0IG9wZW4gdGltZSB3ZSBuZWVkIHN5c2ZzIHN1cHBvcnQg Zm9yIHRoaXMuCgpBZGQgYW4gb3B0aW9uYWwgbWFwcGluZyBwYXJhbWV0ZXIgYmluX2F0dHIsIHdo aWNoIGlzIG9ubHkgY29uc3VsdGVkCndoZW4gdGhlcmUncyBhbHNvIGFuIG1tYXAgY2FsbGJhY2ss IHNpbmNlIHdpdGhvdXQgbW1hcCBzdXBwb3J0CmFsbG93aW5nIHRvIGFkanVzdCB0aGUgLT5mX21h cHBpbmcgbWFrZXMgbm8gc2Vuc2UuCgpSZXZpZXdlZC1ieTogR3JlZyBLcm9haC1IYXJ0bWFuIDxn cmVna2hAbGludXhmb3VuZGF0aW9uLm9yZz4KU2lnbmVkLW9mZi1ieTogRGFuaWVsIFZldHRlciA8 ZGFuaWVsLnZldHRlckBpbnRlbC5jb20+CkNjOiBKYXNvbiBHdW50aG9ycGUgPGpnZ0B6aWVwZS5j YT4KQ2M6IEtlZXMgQ29vayA8a2Vlc2Nvb2tAY2hyb21pdW0ub3JnPgpDYzogRGFuIFdpbGxpYW1z IDxkYW4uai53aWxsaWFtc0BpbnRlbC5jb20+CkNjOiBBbmRyZXcgTW9ydG9uIDxha3BtQGxpbnV4 LWZvdW5kYXRpb24ub3JnPgpDYzogSm9obiBIdWJiYXJkIDxqaHViYmFyZEBudmlkaWEuY29tPgpD YzogSsOpcsO0bWUgR2xpc3NlIDxqZ2xpc3NlQHJlZGhhdC5jb20+CkNjOiBKYW4gS2FyYSA8amFj a0BzdXNlLmN6PgpDYzogRGFuIFdpbGxpYW1zIDxkYW4uai53aWxsaWFtc0BpbnRlbC5jb20+CkNj OiBsaW51eC1tbUBrdmFjay5vcmcKQ2M6IGxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFk Lm9yZwpDYzogbGludXgtc2Ftc3VuZy1zb2NAdmdlci5rZXJuZWwub3JnCkNjOiBsaW51eC1tZWRp YUB2Z2VyLmtlcm5lbC5vcmcKQ2M6IEJqb3JuIEhlbGdhYXMgPGJoZWxnYWFzQGdvb2dsZS5jb20+ CkNjOiBsaW51eC1wY2lAdmdlci5rZXJuZWwub3JnCkNjOiBHcmVnIEtyb2FoLUhhcnRtYW4gPGdy ZWdraEBsaW51eGZvdW5kYXRpb24ub3JnPgpDYzogIlJhZmFlbCBKLiBXeXNvY2tpIiA8cmFmYWVs QGtlcm5lbC5vcmc+CkNjOiBDaHJpc3RpYW4gQnJhdW5lciA8Y2hyaXN0aWFuLmJyYXVuZXJAdWJ1 bnR1LmNvbT4KQ2M6ICJEYXZpZCBTLiBNaWxsZXIiIDxkYXZlbUBkYXZlbWxvZnQubmV0PgpDYzog TWljaGFlbCBFbGxlcm1hbiA8bXBlQGVsbGVybWFuLmlkLmF1PgpDYzogU291cmFiaCBKYWluIDxz b3VyYWJoamFpbkBsaW51eC5pYm0uY29tPgpDYzogRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRl ckBmZndsbC5jaD4KQ2M6IE1hdXJvIENhcnZhbGhvIENoZWhhYiA8bWNoZWhhYitodWF3ZWlAa2Vy bmVsLm9yZz4KQ2M6IE5heW5hIEphaW4gPG5heW5hQGxpbnV4LmlibS5jb20+ClNpZ25lZC1vZmYt Ynk6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Ci0tLQogZnMvc3lzZnMv ZmlsZS5jICAgICAgIHwgMTEgKysrKysrKysrKysKIGluY2x1ZGUvbGludXgvc3lzZnMuaCB8ICAy ICsrCiAyIGZpbGVzIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9mcy9z eXNmcy9maWxlLmMgYi9mcy9zeXNmcy9maWxlLmMKaW5kZXggOTZkMGRhNjVlMDg4Li45YWVmYTc3 NzliMjkgMTAwNjQ0Ci0tLSBhL2ZzL3N5c2ZzL2ZpbGUuYworKysgYi9mcy9zeXNmcy9maWxlLmMK QEAgLTE3MCw2ICsxNzAsMTYgQEAgc3RhdGljIGludCBzeXNmc19rZl9iaW5fbW1hcChzdHJ1Y3Qg a2VybmZzX29wZW5fZmlsZSAqb2YsCiAJcmV0dXJuIGJhdHRyLT5tbWFwKG9mLT5maWxlLCBrb2Jq LCBiYXR0ciwgdm1hKTsKIH0KIAorc3RhdGljIGludCBzeXNmc19rZl9iaW5fb3BlbihzdHJ1Y3Qg a2VybmZzX29wZW5fZmlsZSAqb2YpCit7CisJc3RydWN0IGJpbl9hdHRyaWJ1dGUgKmJhdHRyID0g b2YtPmtuLT5wcml2OworCisJaWYgKGJhdHRyLT5tYXBwaW5nKQorCQlvZi0+ZmlsZS0+Zl9tYXBw aW5nID0gYmF0dHItPm1hcHBpbmc7CisKKwlyZXR1cm4gMDsKK30KKwogdm9pZCBzeXNmc19ub3Rp Znkoc3RydWN0IGtvYmplY3QgKmtvYmosIGNvbnN0IGNoYXIgKmRpciwgY29uc3QgY2hhciAqYXR0 cikKIHsKIAlzdHJ1Y3Qga2VybmZzX25vZGUgKmtuID0ga29iai0+c2QsICp0bXA7CkBAIC0yNDEs NiArMjUxLDcgQEAgc3RhdGljIGNvbnN0IHN0cnVjdCBrZXJuZnNfb3BzIHN5c2ZzX2Jpbl9rZm9w c19tbWFwID0gewogCS5yZWFkCQk9IHN5c2ZzX2tmX2Jpbl9yZWFkLAogCS53cml0ZQkJPSBzeXNm c19rZl9iaW5fd3JpdGUsCiAJLm1tYXAJCT0gc3lzZnNfa2ZfYmluX21tYXAsCisJLm9wZW4JCT0g c3lzZnNfa2ZfYmluX29wZW4sCiB9OwogCiBpbnQgc3lzZnNfYWRkX2ZpbGVfbW9kZV9ucyhzdHJ1 Y3Qga2VybmZzX25vZGUgKnBhcmVudCwKZGlmZiAtLWdpdCBhL2luY2x1ZGUvbGludXgvc3lzZnMu aCBiL2luY2x1ZGUvbGludXgvc3lzZnMuaAppbmRleCAyY2FhMzRjMWNhMWEuLmQ3NmExZGRmODNh MyAxMDA2NDQKLS0tIGEvaW5jbHVkZS9saW51eC9zeXNmcy5oCisrKyBiL2luY2x1ZGUvbGludXgv c3lzZnMuaApAQCAtMTY0LDExICsxNjQsMTMgQEAgX19BVFRSSUJVVEVfR1JPVVBTKF9uYW1lKQog CiBzdHJ1Y3QgZmlsZTsKIHN0cnVjdCB2bV9hcmVhX3N0cnVjdDsKK3N0cnVjdCBhZGRyZXNzX3Nw YWNlOwogCiBzdHJ1Y3QgYmluX2F0dHJpYnV0ZSB7CiAJc3RydWN0IGF0dHJpYnV0ZQlhdHRyOwog CXNpemVfdAkJCXNpemU7CiAJdm9pZAkJCSpwcml2YXRlOworCXN0cnVjdCBhZGRyZXNzX3NwYWNl CSptYXBwaW5nOwogCXNzaXplX3QgKCpyZWFkKShzdHJ1Y3QgZmlsZSAqLCBzdHJ1Y3Qga29iamVj dCAqLCBzdHJ1Y3QgYmluX2F0dHJpYnV0ZSAqLAogCQkJY2hhciAqLCBsb2ZmX3QsIHNpemVfdCk7 CiAJc3NpemVfdCAoKndyaXRlKShzdHJ1Y3QgZmlsZSAqLCBzdHJ1Y3Qga29iamVjdCAqLCBzdHJ1 Y3QgYmluX2F0dHJpYnV0ZSAqLAotLSAKMi4yOS4yCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9kcmktZGV2ZWwK