From: Vadim Fedorenko <vadim.fedorenko@linux.dev>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Rodolfo Giometti <giometti@enneenne.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] pps: make number of PPS devices configurable
Date: Thu, 14 May 2026 15:03:03 +0100 [thread overview]
Message-ID: <65a3d091-0648-4c6c-8062-869d0fcec8dc@linux.dev> (raw)
In-Reply-To: <20260514065526.2ed937dc@kernel.org>
On 14/05/2026 14:55, Jakub Kicinski wrote:
> On Thu, 14 May 2026 11:26:14 +0000 Vadim Fedorenko wrote:
>> Modern systems may have more than 16 PPS sources and current hard-coded
>> limit breaks registration of some devices. Make the limit configurable
>> via Kconfig, keep default value of 16 devices. UAPI has to be changed to
>> support maximum possible number.
>
> Hm, since this is effectively just sizing an IDR maybe we should just
> bump it to 64? It appears to cost nothing if not used.
Just bump to 64, but keep it constant? In this case maybe 256 just to
align with the max minor value for chardev (in compat mode)?
next prev parent reply other threads:[~2026-05-14 14:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-14 11:26 [RFC PATCH] pps: make number of PPS devices configurable Vadim Fedorenko
2026-05-14 13:55 ` Jakub Kicinski
2026-05-14 14:03 ` Vadim Fedorenko [this message]
2026-05-14 14:08 ` Jakub Kicinski
2026-05-14 14:09 ` Vadim Fedorenko
2026-05-14 14:57 ` Rodolfo Giometti
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