linux-kernel - Re: [PATCH 1/2] ARM: multi_v7_defconfig: Add more TI Keystone support

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Date: Wed, 24 Jan 2024 10:59:20 -0600
From: Andrew Davis <afd@...com>
To: Nishanth Menon <nm@...com>
CC: Russell King <linux@...linux.org.uk>, Arnd Bergmann <arnd@...db.de>,
        Vignesh Raghavendra <vigneshr@...com>,
        Santosh Shilimkar
	<ssantosh@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] ARM: multi_v7_defconfig: Add more TI Keystone support

On 1/24/24 10:41 AM, Nishanth Menon wrote:
> On 10:28-20240124, Andrew Davis wrote:
>> The Keystone platforms used their own keystone_defconfig mostly to
>> enable CONFIG_ARM_LPAE which could not be added to the multi_v7 config.
>> Now that we have multi_v7_lpae_defconfig/lpae.config target we can and
>> should use that defconfig for Keystone. Add the remaining must have
>> options for Keystone support to multi_v7_defconfig.
>>
> 
> Please state bloat-o-meter impact on vmlinux.
> 

$ ./scripts/bloat-o-meter build/vmlinux.baseline build/vmlinux
add/remove: 387/0 grow/shrink: 6/0 up/down: 130945/0 (130945)
..
Total: Before=22791863, After=22922808, chg +0.57%


Seems half of that is TI_KEYSTONE_NETCP, if we don't think
anyone will need nfs rootfs boot then we could make it a module:


$ ./scripts/bloat-o-meter build/vmlinux.baseline build/vmlinux
add/remove: 286/0 grow/shrink: 4/0 up/down: 64393/0 (64393)
..
Total: Before=22791863, After=22856256, chg +0.28%


Andrew

>> Signed-off-by: Andrew Davis <afd@...com>
>> ---
>>   arch/arm/configs/multi_v7_defconfig | 16 ++++++++++++++++
>>   1 file changed, 16 insertions(+)