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Date:   Mon, 23 Oct 2023 04:32:24 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     Stephen Rothwell <sfr@canb.auug.org.au>
Cc:     Steven Rostedt <rostedt@goodmis.org>,
        Masami Hiramatsu <mhiramat@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the ftrace tree
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On Mon, Oct 23, 2023 at 01:30:33PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the ftrace tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> arch/powerpc/kernel/setup-common.c:604:10: error: 'struct seq_buf' has no member named 'readpos'
>   604 |         .readpos = 0,

This would fix it.

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 2f1026fba00d..34975532e44c 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -601,7 +601,6 @@ struct seq_buf ppc_hw_desc __initdata = {
 	.buffer = ppc_hw_desc_buf,
 	.size = sizeof(ppc_hw_desc_buf),
 	.len = 0,
-	.readpos = 0,
 };
 
 static __init void probe_machine(void)


Steven, do you prefer fixup patches like this, or do you want a v3 that
includes this?