From owner-freebsd-arch@freebsd.org Tue Nov 26 23:26:19 2019 Return-Path: Delivered-To: freebsd-arch@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D6EEB1C47DD for ; Tue, 26 Nov 2019 23:26:19 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qk1-x72b.google.com (mail-qk1-x72b.google.com [IPv6:2607:f8b0:4864:20::72b]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47N0Qg0lmLz4Nnh for ; Tue, 26 Nov 2019 23:26:19 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qk1-x72b.google.com with SMTP id m16so17802670qki.11 for ; Tue, 26 Nov 2019 15:26:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=6LFNq1czyNNLDFjuSudnwAdLoCaG+zOwFj7CU+ic88Q=; b=nwSA8i6Tb4JWftAaP9TadD2ER9GGs/Ali+LqRJRLYmuPIQtAGGB600gN5CeFN5N28z JMdbGVsOzkCWGapiZDsN7ksKVi3JGniNFBgID9hKQHHsBDfENkhKhRBzEqNuFQwnjL0s HwlgHD5Rkgvuqak1kxFrQAj3Dsu2JEfSZ/t2g9p2YrmuvyxT464EPOwEscw8F/Zzx70z Fy3FWIPMiB2Q/MhryX6rvicD2LHiTJdUWHJA34mnxlmJnXBEbvwnaDhzfgVl/HOYrV82 uwpSfK/Inc1wlU0ev4F5hZ/NPgPHfSqSNXkqc1yrajyV54GK1no2uFOdh5kdWtYlg6IG KlKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=6LFNq1czyNNLDFjuSudnwAdLoCaG+zOwFj7CU+ic88Q=; b=NrHI4iraAiqZBEaunqQpnJc0PIbY9+pN2uGvVLJYwtHPKOHiBxzOpVi4wHK7DpdKhI mt5HHFfiXfh21o3k/zaj2q7D72TSP9NFxecigqi5HT84wHuzADsdwnNBeot7yPQk7Fxd LD06KHVTJl6ctAi2d+reW+P72dsIDwBEPl2yT8QJBHInnFNutQYSAX8IPf/MalNHgO1a Jd0aZT9PDqMf4buPAwPvHo8FDQJB9VRWFFW5mu2z9AF/F3mGH76tOD4UwYLv12jM6PyF N5OowxRK6J0QTag4D9TY7hDtSoJGkx3+7OtgUc0Gy0x4BAaGV1pfqhCdjCEX/iduONVt X7bw== X-Gm-Message-State: APjAAAUQU7DvJruil0hVKmGGFXJ2rcE80jwywYsniiPAaYItvt5fnuN0 3DwqErxvtYfSkJNnEDIVPRpTD8b/dbz91T2tnMAgB2yR X-Google-Smtp-Source: APXvYqyOAKpSe7R169zqff9sj2u4ubcKtjBAFTTEZeWSjLUPpU+2HYMQIdDDRFSLKR6nYuCG03aFsrGU9W+IToo99+E= X-Received: by 2002:a37:aa11:: with SMTP id t17mr1238223qke.60.1574810776919; Tue, 26 Nov 2019 15:26:16 -0800 (PST) MIME-Version: 1.0 References: <201911260917.xAQ9Hcf1001914@gndrsh.dnsmgr.net> <20191126193555.047a63cf@bsd64.grem.de> <20191126194750.3ff939c3@ernst.home> <64cf51783b75047d7f07e14c1ef507fbeede2a68.camel@freebsd.org> In-Reply-To: <64cf51783b75047d7f07e14c1ef507fbeede2a68.camel@freebsd.org> From: Warner Losh Date: Tue, 26 Nov 2019 16:26:05 -0700 Message-ID: Subject: Re: Killing Giant for 13 To: Ian Lepore Cc: "freebsd-arch@freebsd.org" X-Rspamd-Queue-Id: 47N0Qg0lmLz4Nnh X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=bsdimp-com.20150623.gappssmtp.com header.s=20150623 header.b=nwSA8i6T; dmarc=none; spf=none (mx1.freebsd.org: domain of wlosh@bsdimp.com has no SPF policy when checking 2607:f8b0:4864:20::72b) smtp.mailfrom=wlosh@bsdimp.com X-Spamd-Result: default: False [-4.74 / 15.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; R_DKIM_ALLOW(-0.20)[bsdimp-com.20150623.gappssmtp.com:s=20150623]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arch@freebsd.org]; DMARC_NA(0.00)[bsdimp.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[bsdimp-com.20150623.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[b.2.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[imp@bsdimp.com,wlosh@bsdimp.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; IP_SCORE(-2.74)[ip: (-9.41), ipnet: 2607:f8b0::/32(-2.27), asn: 15169(-1.95), country: US(-0.05)]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[imp@bsdimp.com,wlosh@bsdimp.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Nov 2019 23:26:19 -0000 On Tue, Nov 26, 2019 at 3:59 PM Ian Lepore wrote: > On Tue, 2019-11-26 at 15:23 -0700, Warner Losh wrote: > > And then there's all the interrupt handlers that aren't marked MPSAFE... > > how to grep for that? I think I may invent a NEEDS_GIANT sort of thing in > > preference to MPSAFE. > > I'll bet this gets all or most of them... > > grep -R -l 'bus_setup_intr(' * | xargs grep -L MPSAFE > It's a start... I plan on adding a new value and KASSERTs soon to make it more greppable... Warner