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[2620:137:e000::1:20]) by mx.google.com with ESMTP id j184-20020a6380c1000000b0053f4a814953si7021275pgd.870.2023.06.13.18.43.39; Tue, 13 Jun 2023 18:43:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="K/Of8m8q"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232022AbjFNBak (ORCPT <rfc822;jesperjuhl76@gmail.com> + 99 others); Tue, 13 Jun 2023 21:30:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232782AbjFNBah (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Tue, 13 Jun 2023 21:30:37 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CECE91BF6; Tue, 13 Jun 2023 18:30:26 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 664EC63621; Wed, 14 Jun 2023 01:30:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 590BBC433CA; Wed, 14 Jun 2023 01:30:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686706224; bh=1A5KVVxyg74MwDhILMrc7YVC1sXoGN2aGyDkI3U1yBE=; h=From:To:Cc:Subject:Date:From; b=K/Of8m8qr2TUrQVMpfPXNwNqCv2zlN6kheHcyvdAPkU9GAWJoWGsKTT/J4RVKEvxF ptp1rv1wNXqK4RJrIHEMcFkF+v1hDcawvC4mOdZ0AA5f40I95W+xuiMKHxwk4AD94o dyV6B9OpoZCzyXkD+IcvT/S3eebd9j/ZLYOWHk8jtcng42ove4BeNayzJPnVjU/Bqy aEpFCBvr9RQUxLt58W2AbEVVKcCuYYpIE8flY33TcJbNT5k4l32HLk9E0deTMxq5+j yxQ6vZ0Kb/hFSTqa+NABim8qfb98YFzUZ1Z9VZ4GINXcWl/+rcBXIpNUjVa8MaedN4 qh6476CsNMn1g== From: guoren@kernel.org To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com, conor.dooley@microchip.com, heiko@sntech.de, jszhang@kernel.org, bjorn@kernel.org, cleger@rivosinc.com Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Guo Ren <guoren@linux.alibaba.com> Subject: [PATCH -next V13 0/3] riscv: Add independent irq/softirq stacks support Date: Tue, 13 Jun 2023 21:30:15 -0400 Message-Id: <20230614013018.2168426-1-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768640513681986954?= X-GMAIL-MSGID: =?utf-8?q?1768640513681986954?= |
Series |
riscv: Add independent irq/softirq stacks support
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Message
Guo Ren
June 14, 2023, 1:30 a.m. UTC
From: Guo Ren <guoren@linux.alibaba.com>
This patch series adds independent irq/softirq stacks to decrease the
press of the thread stack. Also, add a thread STACK_SIZE config for
users to adjust the proper size during compile time.
This patch series belonged to the generic entry, which has been merged
to for-next now.
v13:
- Rebase on riscv/for-next commit d5e45e810e0e ("Merge patch series
"riscv: Add vector ISA support"")
- Rmove unnecessary BUILD_BUG_ON(). (Thx Clément)
v12:
https://lore.kernel.org/linux-riscv/20230529084600.2878130-1-guoren@kernel.org/
- Rebase on palmer/for-next (20230529)
- Move DECLARE_PER_CPU(ulong *, irq_stack_ptr) into irq_stack.h (Thx
Conor)
- Optimize commit msg
v11:
https://lore.kernel.org/linux-riscv/20230324071239.151677-1-guoren@kernel.org/
- Rebase on palmer/for-next (20230324)
- Separate from generic entry patch series.
v10:
https://lore.kernel.org/linux-riscv/20221208025816.138712-1-guoren@kernel.org/
- Rebase on palmer/for-next branch (20221208)
- Remove unrelated patches from the series (Suggested-by: Bjorn)
- Fixup Typos.
v9:
https://lore.kernel.org/linux-riscv/20221130034059.826599-1-guoren@kernel.org/
- Fixup NR_syscalls check (by Ben Hutchings)
- Add Tested-by: Jisheng Zhang
v8:
https://lore.kernel.org/linux-riscv/20221103075047.1634923-1-guoren@kernel.org/
- Rebase on palmer/for-next branch (20221102)
- Add save/restore_from_x5_to_x31 .macro (JishengZhang)
- Consolidate ret_from_kernel_thread into ret_from_fork (JishengZhang)
- Optimize __noinstr_section comment (JiangshanLai)
v7:
https://lore.kernel.org/linux-riscv/20221015114702.3489989-1-guoren@kernel.org/
- Fixup regs_irqs_disabled with SR_PIE
- Optimize stackleak_erase -> stackleak_erase_on_task_stack (Thx Mark
Rutland)
- Add BUG_ON(!irqs_disabled()) in trap handlers
- Using regs_irqs_disabled in __do_page_fault
- Remove unnecessary irq disable in ret_from_exception and add comment
v6:
https://lore.kernel.org/linux-riscv/20221002012451.2351127-1-guoren@kernel.org/
- Use THEAD_SIZE_ORDER for thread size adjustment in kconfig (Thx Arnd)
- Move call_on_stack to inline style (Thx Peter Zijlstra)
- Fixup fp chain broken (Thx Chen Zhongjin)
- Remove common entry modification, and fixup page_fault entry (Thx
Peter Zijlstra)
- Treat some traps as nmi entry (Thx Peter Zijlstra)
v5:
https://lore.kernel.org/linux-riscv/20220918155246.1203293-1-guoren@kernel.org/
- Add riscv own stackleak patch instead of generic entry modification
(by Mark Rutland)
- Add EXPERT dependency for THREAD_SIZE (by Arnd)
- Add EXPERT dependency for IRQ_STACK (by Sebastian, David Laight)
- Corrected __trap_section (by Peter Zijlstra)
- Add Tested-by (Yipeng Zou)
- Use CONFIG_SOFTIRQ_ON_OWN_STACK replace "#ifndef CONFIG_PREEMPT_RT"
- Fixup systrace_enter compile error
- Fixup exit_to_user_mode_prepare preempt_disable warning
V4:
https://lore.kernel.org/linux-riscv/20220908022506.1275799-1-guoren@kernel.org/
- Fixup entry.S with "la" bug (by Conor.Dooley)
- Fixup missing noinstr bug (by Peter Zijlstra)
V3:
https://lore.kernel.org/linux-riscv/20220906035423.634617-1-guoren@kernel.org/
- Fixup CONFIG_COMPAT=n compile error
- Add THREAD_SIZE_ORDER config
- Optimize elf_kexec.c warning fixup
- Add static to irq_stack_ptr definition
V2:
https://lore.kernel.org/linux-riscv/20220904072637.8619-1-guoren@kernel.org/
- Fixup compile error by include "riscv: ptrace: Remove duplicate
operation"
- Fixup compile warning
Reported-by: kernel test robot <lkp@intel.com>
- Add test repo link in cover letter
V1:
https://lore.kernel.org/linux-riscv/20220903163808.1954131-1-guoren@kernel.org/
Guo Ren (3):
riscv: stack: Support HAVE_IRQ_EXIT_ON_IRQ_STACK
riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK
riscv: stack: Add config of thread stack size
arch/riscv/Kconfig | 19 ++++++++
arch/riscv/include/asm/irq_stack.h | 30 ++++++++++++
arch/riscv/include/asm/thread_info.h | 14 ++----
arch/riscv/kernel/irq.c | 68 ++++++++++++++++++++++++++++
arch/riscv/kernel/traps.c | 35 +++++++++++++-
5 files changed, 153 insertions(+), 13 deletions(-)
create mode 100644 arch/riscv/include/asm/irq_stack.h
Comments
On Tue, 13 Jun 2023 21:30:15 -0400, guoren@kernel.org wrote: > From: Guo Ren <guoren@linux.alibaba.com> > > This patch series adds independent irq/softirq stacks to decrease the > press of the thread stack. Also, add a thread STACK_SIZE config for > users to adjust the proper size during compile time. > > This patch series belonged to the generic entry, which has been merged > to for-next now. > > [...] Applied, thanks! [1/3] riscv: stack: Support HAVE_IRQ_EXIT_ON_IRQ_STACK https://git.kernel.org/palmer/c/163e76cc6ef4 [2/3] riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK https://git.kernel.org/palmer/c/dd69d07a5a6c [3/3] riscv: stack: Add config of thread stack size https://git.kernel.org/palmer/c/a7555f6b62e7 Best regards,
Hello: This series was applied to riscv/linux.git (for-next) by Palmer Dabbelt <palmer@rivosinc.com>: On Tue, 13 Jun 2023 21:30:15 -0400 you wrote: > From: Guo Ren <guoren@linux.alibaba.com> > > This patch series adds independent irq/softirq stacks to decrease the > press of the thread stack. Also, add a thread STACK_SIZE config for > users to adjust the proper size during compile time. > > This patch series belonged to the generic entry, which has been merged > to for-next now. > > [...] Here is the summary with links: - [-next,V13,1/3] riscv: stack: Support HAVE_IRQ_EXIT_ON_IRQ_STACK https://git.kernel.org/riscv/c/163e76cc6ef4 - [-next,V13,2/3] riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK https://git.kernel.org/riscv/c/dd69d07a5a6c - [-next,V13,3/3] riscv: stack: Add config of thread stack size https://git.kernel.org/riscv/c/a7555f6b62e7 You are awesome, thank you!