linux-kernel - [PATCH RFC v2 0/5] kernel-hacking: introduce CONFIG_NO_AUTO

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Message-Id: <20250416-noautoinline-v2-0-e69a2717530f@uniontech.com>
Date: Wed, 16 Apr 2025 17:44:46 +0800
From: Chen Linxuan via B4 Relay <devnull+chenlinxuan.uniontech.com@...nel.org>
To: Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>, 
 Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>, 
 Andrew Morton <akpm@...ux-foundation.org>, 
 Yishai Hadas <yishaih@...dia.com>, Jason Gunthorpe <jgg@...pe.ca>, 
 Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>, 
 Kevin Tian <kevin.tian@...el.com>, 
 Alex Williamson <alex.williamson@...hat.com>, 
 Peter Huewe <peterhuewe@....de>, Jarkko Sakkinen <jarkko@...nel.org>, 
 Masahiro Yamada <masahiroy@...nel.org>, 
 Nathan Chancellor <nathan@...nel.org>, 
 Nicolas Schier <nicolas.schier@...ux.dev>, 
 Nick Desaulniers <nick.desaulniers+lkml@...il.com>, 
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>
Cc: linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-mm@...ck.org, kvm@...r.kernel.org, virtualization@...ts.linux.dev, 
 linux-integrity@...r.kernel.org, linux-kbuild@...r.kernel.org, 
 llvm@...ts.linux.dev, Winston Wen <wentao@...ontech.com>, 
 Chen Linxuan <chenlinxuan@...ontech.com>, 
 Changbin Du <changbin.du@...el.com>
Subject: [PATCH RFC v2 0/5] kernel-hacking: introduce CONFIG_NO_AUTO_INLINE

This series introduces a new kernel configuration option NO_AUTO_INLINE,
which can be used to disable the automatic inlining of functions.

This will allow the function tracer to trace more functions
because it only traces functions that the compiler has not inlined.

Previous discussions can be found at

Link: https://lore.kernel.org/all/20181028130945.23581-3-changbin.du@gmail.com/

And v1 of this series can be found at

Link: https://lore.kernel.org/all/31F42D8141CDD2D0+20250411105142.89296-1-chenlinxuan@uniontech.com/

This patch depends on

  [PATCH] drm/i915/pxp: fix undefined reference to
          `intel_pxp_gsccs_is_ready_for_sessions'

which can be found at

  https://lore.kernel.org/all/20250415090616.2649889-1-jani.nikula@intel.com/

as well as

  [RFC PATCH 5/7] RDMA/hns: initialize db in update_srq_db()

which can be found at

  https://lore.kernel.org/all/FF922C77946229B6+20250411105459.90782-5-chenlinxuan@uniontech.com/

Signed-off-by: Chen Linxuan <chenlinxuan@...ontech.com>
---
Winston Wen (5):
      nvme: add __always_inline for nvme_pci_npages_prp
      mm: add __always_inline for page_contains_unaccepted
      vfio/virtio: add __always_inline for virtiovf_get_device_config_size
      tpm: add __always_inline for tpm_is_hwrng_enabled
      lib/Kconfig.debug: introduce CONFIG_NO_AUTO_INLINE

 Makefile                            |  6 ++++++
 drivers/char/tpm/tpm-chip.c         |  2 +-
 drivers/nvme/host/pci.c             |  2 +-
 drivers/vfio/pci/virtio/legacy_io.c |  2 +-
 lib/Kconfig.debug                   | 15 +++++++++++++++
 mm/page_alloc.c                     |  2 +-
 6 files changed, 25 insertions(+), 4 deletions(-)
---
base-commit: 1a1d569a75f3ab2923cb62daf356d102e4df2b86
change-id: 20250416-noautoinline-8e9b9e535452

Best regards,
-- 
Chen Linxuan <chenlinxuan@...ontech.com>