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From: Christoph Hellwig <hch@lst.de>
To: chenlinxuan@uniontech.com
Cc: Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	Andrew Morton <akpm@linux-foundation.org>,
	Yishai Hadas <yishaih@nvidia.com>, Jason Gunthorpe <jgg@ziepe.ca>,
	Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
	Kevin Tian <kevin.tian@intel.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Peter Huewe <peterhuewe@gmx.de>,
	Jarkko Sakkinen <jarkko@kernel.org>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nicolas Schier <nicolas.schier@linux.dev>,
	Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>,
	Brendan Jackman <jackmanb@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Peter Zijlstra <peterz@infradead.org>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Boqun Feng <boqun.feng@gmail.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Juergen Gross <jgross@suse.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, kvm@vger.kernel.org,
	virtualization@lists.linux.dev, linux-integrity@vger.kernel.org,
	linux-kbuild@vger.kernel.org, llvm@lists.linux.dev,
	Winston Wen <wentao@uniontech.com>,
	kasan-dev@googlegroups.com, xen-devel@lists.xenproject.org,
	Changbin Du <changbin.du@intel.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH RFC v3 0/8] kernel-hacking: introduce CONFIG_NO_AUTO_INLINE
Date: Tue, 29 Apr 2025 14:35:04 +0200	[thread overview]
Message-ID: <20250429123504.GA13093@lst.de> (raw)
In-Reply-To: <20250429-noautoinline-v3-0-4c49f28ea5b5@uniontech.com>

On Tue, Apr 29, 2025 at 12:06:04PM +0800, Chen Linxuan via B4 Relay wrote:
> 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.

This still feels like a bad idea because it is extremely fragile.


  parent reply	other threads:[~2025-04-29 12:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-29  4:06 [PATCH RFC v3 0/8] kernel-hacking: introduce CONFIG_NO_AUTO_INLINE Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 1/8] nvme: add __always_inline for nvme_pci_npages_prp Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 2/8] mm: add __always_inline for page_contains_unaccepted Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 3/8] vfio/virtio: add __always_inline for virtiovf_get_device_config_size Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 4/8] tpm: add __always_inline for tpm_is_hwrng_enabled Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 5/8] rseq: add __always_inline for rseq_kernel_fields Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 6/8] kcov: add __always_inline for canonicalize_ip Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 7/8] x86/xen: add __init for xen_pgd_walk Chen Linxuan via B4 Relay
2025-04-29  4:06 ` [PATCH RFC v3 8/8] lib/Kconfig.debug: introduce CONFIG_NO_AUTO_INLINE Chen Linxuan via B4 Relay
2025-05-02  9:56   ` kernel test robot
2025-04-29 12:35 ` Christoph Hellwig [this message]
2025-05-01 14:19   ` [PATCH RFC v3 0/8] kernel-hacking: " Brendan Jackman
2025-05-01 15:02     ` Peter Zijlstra
2025-05-01 15:22       ` Brendan Jackman
2025-05-01 15:50         ` Peter Zijlstra
2025-05-03 19:13         ` Bart Van Assche
2025-05-06  2:40           ` Chen Linxuan
2025-05-06  2:30   ` Chen Linxuan

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