From: Brendan Jackman <jackmanb@google.com>
To: Christoph Hellwig <hch@lst.de>, <chenlinxuan@uniontech.com>
Cc: Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Sagi Grimberg <sagi@grimberg.me>,
Andrew Morton <akpm@linux-foundation.org>,
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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: Thu, 01 May 2025 14:19:47 +0000 [thread overview]
Message-ID: <D9KW1QQR88EY.2TOSTVYZZH5KN@google.com> (raw)
In-Reply-To: <20250429123504.GA13093@lst.de>
On Tue Apr 29, 2025 at 12:35 PM UTC, Christoph Hellwig wrote:
> 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.
Can you elaborate on that - does it introduce new fragility?
next prev parent reply other threads:[~2025-05-01 14:19 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-29 4:06 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
2025-04-29 12:35 ` [PATCH RFC v3 0/8] kernel-hacking: " Christoph Hellwig
2025-05-01 14:19 ` Brendan Jackman [this message]
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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