linux-kernel - Re: [PATCH] ata: Don't build PATA

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Message-ID: <c2ad2551-e179-f0fc-28dc-8e3871b4d06b@opensource.wdc.com>
Date:   Sat, 14 Jan 2023 07:44:40 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Peter Foley <pefoley2@...oley.com>
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ata: Don't build PATA_CS5535 on UML

On 1/13/23 13:37, Peter Foley wrote:
> This driver uses MSR functions that aren't implemented under UML.
> Avoid building it to prevent tripping up allyesconfig.
> 
> e.g.
> /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x3a3): undefined reference to `__tracepoint_read_msr'
> /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x3d2): undefined reference to `__tracepoint_write_msr'
> /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x457): undefined reference to `__tracepoint_write_msr'
> /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x481): undefined reference to `do_trace_write_msr'
> /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x4d5): undefined reference to `do_trace_write_msr'
> /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x4f5): undefined reference to `do_trace_read_msr'
> /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x51c): undefined reference to `do_trace_write_msr'
> 
> Signed-off-by: Peter Foley <pefoley2@...oley.com>

Applied to for-6.2-fixes with a slightly tweaked commit title.
Thanks !

-- 
Damien Le Moal
Western Digital Research