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To: Nicholas Piggin <npiggin@gmail.com>, linuxppc-dev@lists.ozlabs.org
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [v3] powerpc/config: powernv_defconfig updates
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Date: Fri, 11 May 2018 00:06:33 +1000 (AEST)
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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