From: Michael Ellerman <patch-notifications@ellerman•id.au>
To: Nicholas Piggin <npiggin@gmail•com>, linuxppc-dev@lists•ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail•com>
Subject: Re: [v3] powerpc/config: powernv_defconfig updates
Date: Fri, 11 May 2018 00:06:33 +1000 (AEST) [thread overview]
Message-ID: <40hZlZ2zhWz9s0W@ozlabs.org> (raw)
In-Reply-To: <20180430103150.21757-1-npiggin@gmail.com>
On Mon, 2018-04-30 at 10:31:50 UTC, Nicholas Piggin wrote:
> For consideration:
>
> * Add NVDIMM support - Enables greater testing, mambo device.
> * Add IPv6 support built in + additional modules - Because it's 2018 maan.
> * Add DEFERRED_STRUCT_PAGE_INIT - Let's see what breaks.
> * Add PPC_MEMTRACE - Small powernv debugfs driver for getting hardware traces.
> * Add MEMORY_FAILURE - Machine check exceptions can now drive memory failure.
> * Turn on FANOTIFY - This is the current filesystem notification feature.
> * Turn on SCOM_DEBUGFS - Handy for hardware/firmware debugging, security risk?
> * Turn on async SCSI scanning - Let's see what breaks.
> * Add MLX5 driver as a module - Popular demand.
> * Add CRYPTO_CRCT10DIF_VPMSUM - POWER8 T10DIF acceleration.
>
> * Make a bunch of USB hid drivers modules.
> * Make SCSI SG, SR, and FC modules - FC is huge.
> * Make video drivers except AST GPU modules - Also huge.
> * Make PCI serial driver a module - Uncommon.
> * Make more things modules, NFS FS, RAM disk, netconsole, MS-DOS fs.
>
> * Get rid of /dev/port - Not used.
> * Remove PPS and PTP subsystms - Unusual.
> * Remove legacy BSD ttys - Long dead.
> * Remove IDE - Deprecated and replaced with ATA.
> * Remove WIRELESS - Until we get POWER9 laptops.
> * Remove RAW - Long deprecated in favour of direct IO.
> * Remove floppy, parport, and PS2 input devices - not supported.
> * Remove virtio drivers, ballooning - We're host only.
> * Remove PPP - Sorry Paulus.
>
> This results in a significantly smaller vmlinux:
>
> text data bss dec filename
> 13143383 5277944 1317856 19739183 vanilla
> 12263281 4852074 1341720 18457075 patched
>
> Signed-off-by: Nicholas Piggin <npiggin@gmail•com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/9a018fb1e14704fef39db05730599f
cheers
prev parent reply other threads:[~2018-05-10 14:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-30 10:31 [PATCH v3] powerpc/config: powernv_defconfig updates Nicholas Piggin
2018-05-10 14:06 ` Michael Ellerman [this message]
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