From patchwork Thu Nov 5 14:34:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Piggin X-Patchwork-Id: 1395041 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4CRmNH3zkVz9sRR for ; Fri, 6 Nov 2020 01:38:23 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=Olrk6qFK; dkim-atps=neutral Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CRmNH1RmYzDqyc for ; Fri, 6 Nov 2020 01:38:23 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::102b; helo=mail-pj1-x102b.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=Olrk6qFK; dkim-atps=neutral Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CRmJ66r3yzDqSC for ; Fri, 6 Nov 2020 01:34:46 +1100 (AEDT) Received: by mail-pj1-x102b.google.com with SMTP id ie6so169182pjb.0 for ; Thu, 05 Nov 2020 06:34:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=o+saBkwSex9exLhKqawXiud33tazcS76U5d/lj0g4RU=; b=Olrk6qFKhz//MIrC+raNOutPXijvTZZ44K24SEpADcKcvCAy2Jw535vfOqx/XDNxW6 H8AnBNpJI+/K4kv5S6GcPU2eGZWlDVaNx6u8Ag84XledTWPFk5Yxe/F/ViDi8eGKGtdB aXTRPtIA/+AZjIyUaKvNiPMpKPH1eLxtBfPJ5blI8HR2Bg8A27/0jtwIgrfUdPYxtpWM IpBlOkAiVbWfzVQ6olqr6HSDBWHE6+rdg6C+IyWRv3QiG5i4r5BIW2iN81/s6CsqrF0x YobbHxwDaaq4+XwxEe9UXhcE2artnJg+arwtQDIeb360bgzlNNe31l7tVz3/QzPl2tS7 1aXQ== 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:mime-version :content-transfer-encoding; bh=o+saBkwSex9exLhKqawXiud33tazcS76U5d/lj0g4RU=; b=UjWLmzt3dtWMVPwm5TiLnZJcajrxTuJEarjrNEd8T8DhXVLITYC9aDkQCTrsYL8nuS tJrHzCekTC1c4KJYbL+FFNI3wsYe41nW8jR3Ii68JjBVw+JHm5bqUW+lAO7nKNG+vfn4 rYRVMATOucCaBi/YE0QB2tjmiHrLBDCClFWWazQXiFAtFlNADO892cfDURFW8VfjdTur 1LhwvMBh893wkejToyoWHMx/fQ/HLFK13kB6T3+9/6XOqtbBP7/y03Jx9xjG50cj8jV2 KTJzXT0El4saquE6AiATYSvFnBdVC5S5Xmp5E63212NI+vliiUhwQB6EhdenWjHRgxcz NHgw== X-Gm-Message-State: AOAM533NxmxYjbz/BE31AnMunF4ZjKPlNIxLNLcdRPMNZ90akqs6uW2g rW8O33yhJYirxfuQQ/wVVnTzpBBJQQk= X-Google-Smtp-Source: ABdhPJyHwzVfIHynGV47wyIdyRglnauWxx66hs9KLJXosqcPVqus1jSFE602GMPPofqv0LUzyapOkg== X-Received: by 2002:a17:90a:4482:: with SMTP id t2mr2653625pjg.44.1604586879274; Thu, 05 Nov 2020 06:34:39 -0800 (PST) Received: from bobo.ozlabs.ibm.com (27-32-36-31.tpgi.com.au. [27.32.36.31]) by smtp.gmail.com with ESMTPSA id n15sm2876771pgt.75.2020.11.05.06.34.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2020 06:34:37 -0800 (PST) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 00/18] powerpc: interrupt wrappers Date: Fri, 6 Nov 2020 00:34:13 +1000 Message-Id: <20201105143431.1874789-1-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This is a slightly more polished and tested version. 64e seems to work okay even with context tracking, and 32s at least boots. This moves quite a bit more code and C function calls out from asm to C, it tightens up context tracking significantly on 64s, and generally moves things closer to the generic entry code. Thanks, Nick Nicholas Piggin (18): powerpc/64s: move the last of the page fault handling logic to C powerpc: remove arguments from fault handler functions powerpc: bad_page_fault, do_break get registers from regs powerpc: interrupt handler wrapper functions powerpc: add interrupt wrapper entry / exit stub functions powerpc: add interrupt_cond_local_irq_enable helper powerpc/64: context tracking remove _TIF_NOHZ powerpc/64: context tracking move to interrupt wrappers powerpc/64: add context tracking to asynchronous interrupts powerpc/64s: move context tracking exit to interrupt exit path powerpc/64s: reconcile interrupts in C powerpc/64: move account_stolen_time into its own function powerpc/64: entry cpu time accounting in C powerpc: move NMI entry/exit code into wrapper powerpc/64s: move NMI soft-mask handling to C powerpc/64s: runlatch interrupt handling in C powerpc/64s: power4 nap fixup in C powerpc/64s: move power4 idle entirely to C arch/Kconfig | 6 - arch/powerpc/Kconfig | 1 - arch/powerpc/include/asm/asm-prototypes.h | 29 -- arch/powerpc/include/asm/bug.h | 4 +- arch/powerpc/include/asm/cputime.h | 15 + arch/powerpc/include/asm/debug.h | 3 +- arch/powerpc/include/asm/hw_irq.h | 9 - arch/powerpc/include/asm/interrupt.h | 375 +++++++++++++++++++++ arch/powerpc/include/asm/ppc_asm.h | 24 -- arch/powerpc/include/asm/processor.h | 1 + arch/powerpc/include/asm/thread_info.h | 10 +- arch/powerpc/include/asm/time.h | 2 + arch/powerpc/kernel/dbell.c | 3 +- arch/powerpc/kernel/entry_32.S | 14 +- arch/powerpc/kernel/exceptions-64e.S | 6 +- arch/powerpc/kernel/exceptions-64s.S | 307 ++--------------- arch/powerpc/kernel/head_40x.S | 10 +- arch/powerpc/kernel/head_8xx.S | 11 +- arch/powerpc/kernel/head_book3s_32.S | 6 +- arch/powerpc/kernel/head_booke.h | 4 +- arch/powerpc/kernel/idle.c | 25 +- arch/powerpc/kernel/idle_book3s.S | 18 - arch/powerpc/kernel/irq.c | 3 +- arch/powerpc/kernel/mce.c | 16 +- arch/powerpc/kernel/process.c | 7 +- arch/powerpc/kernel/ptrace/ptrace.c | 4 - arch/powerpc/kernel/signal.c | 4 - arch/powerpc/kernel/syscall_64.c | 30 +- arch/powerpc/kernel/tau_6xx.c | 2 +- arch/powerpc/kernel/time.c | 3 +- arch/powerpc/kernel/traps.c | 200 +++++------ arch/powerpc/kernel/watchdog.c | 15 +- arch/powerpc/kvm/book3s_hv.c | 1 + arch/powerpc/kvm/book3s_hv_builtin.c | 1 + arch/powerpc/mm/book3s64/hash_utils.c | 82 +++-- arch/powerpc/mm/book3s64/slb.c | 12 +- arch/powerpc/mm/fault.c | 80 ++++- arch/powerpc/platforms/8xx/machine_check.c | 2 +- arch/powerpc/platforms/powernv/idle.c | 1 + 39 files changed, 719 insertions(+), 627 deletions(-) create mode 100644 arch/powerpc/include/asm/interrupt.h