From: Jacob Keller <jacob.e.keller@intel.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Vladimir Oltean <olteanv@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
"Przemek Kitszel" <przemyslaw.kitszel@intel.com>,
Masahiro Yamada <masahiroy@kernel.org>,
<linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
Vladimir Oltean <vladimir.oltean@nxp.com>
Subject: Re: [PATCH net-next v2 3/9] lib: packing: add pack_fields() and unpack_fields()
Date: Mon, 4 Nov 2024 11:06:29 -0800 [thread overview]
Message-ID: <30df1dc6-1206-4584-89de-e223e5f7d3ac@intel.com> (raw)
In-Reply-To: <20241103103142.4ba70d58@kernel.org>
On 11/3/2024 10:31 AM, Jakub Kicinski wrote:
> On Fri, 25 Oct 2024 17:04:55 -0700 Jacob Keller wrote:
>> +ifdef CONFIG_PACKING_CHECK_FIELDS_1
>> +HOSTCFLAGS_lib/gen_packing_checks.o += -DPACKING_CHECK_FIELDS_1
>> +endif
>> +ifdef CONFIG_PACKING_CHECK_FIELDS_2
>> +HOSTCFLAGS_lib/gen_packing_checks.o += -DPACKING_CHECK_FIELDS_2
>> +endif
> [...]
>> +ifdef CONFIG_PACKING_CHECK_FIELDS_49
>> +HOSTCFLAGS_lib/gen_packing_checks.o += -DPACKING_CHECK_FIELDS_49
>> +endif
>> +ifdef CONFIG_PACKING_CHECK_FIELDS_50
>> +HOSTCFLAGS_lib/gen_packing_checks.o += -DPACKING_CHECK_FIELDS_50
>
> This series is marked as Not Applicable in PW. Not sure why.
>
> I can't bring myself to revive it, tho, this isn't pretty.
> It'd be one thing to do the codegen and the ugly copy / paste
> 50 times in the lib/ but all drivers have to select all field
> counts they use..
>
> Since all you want is compile time checking and logic is quite
> well constrained - can we put the field definitions in a separate
> ro section and make modpost validate them?
>
This is a much better idea actually. I think I can figure that out.
> Also Documentation needs to be extended with basic use examples.
Will fix in v3
next prev parent reply other threads:[~2024-11-04 19:06 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-26 0:04 [PATCH net-next v2 0/9] lib: packing: introduce and use (un)pack_fields Jacob Keller
2024-10-26 0:04 ` [PATCH net-next v2 1/9] lib: packing: create __pack() and __unpack() variants without error checking Jacob Keller
2024-10-26 0:04 ` [PATCH net-next v2 2/9] lib: packing: demote truncation error in pack() to a warning in __pack() Jacob Keller
2024-10-26 0:04 ` [PATCH net-next v2 3/9] lib: packing: add pack_fields() and unpack_fields() Jacob Keller
2024-11-03 18:31 ` Jakub Kicinski
2024-11-04 19:06 ` Jacob Keller [this message]
2024-10-26 0:04 ` [PATCH net-next v2 4/9] ice: remove int_q_state from ice_tlan_ctx Jacob Keller
2024-10-29 14:36 ` Daniel Machon
2024-10-26 0:04 ` [PATCH net-next v2 5/9] ice: use structures to keep track of queue context size Jacob Keller
2024-10-29 14:42 ` Daniel Machon
2024-10-26 0:04 ` [PATCH net-next v2 6/9] ice: use <linux/packing.h> for Tx and Rx queue context data Jacob Keller
2024-10-29 14:50 ` Daniel Machon
2024-10-29 22:09 ` Jacob Keller
2024-10-29 23:32 ` Jacob Keller
2024-10-30 11:19 ` Dan Carpenter
2024-10-30 20:34 ` Jacob Keller
2024-10-31 7:46 ` Dan Carpenter
2024-11-07 17:32 ` Jacob Keller
2024-10-26 0:04 ` [PATCH net-next v2 7/9] ice: reduce size of queue context fields Jacob Keller
2024-10-26 0:05 ` [PATCH net-next v2 8/9] ice: move prefetch enable to ice_setup_rx_ctx Jacob Keller
2024-10-26 0:05 ` [PATCH net-next v2 9/9] ice: cleanup Rx queue context programming functions Jacob Keller
2024-10-29 18:28 ` [PATCH net-next v2 0/9] lib: packing: introduce and use (un)pack_fields Vladimir Oltean
2024-10-31 9:30 ` Daniel Machon
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