linux-kernel - Re: linux-next: build failure after merge of the ftrace tree

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Date:   Fri, 14 Jan 2022 13:12:04 +0800
From:   Yinan Liu <yinan@...ux.alibaba.com>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the ftrace tree

Hi, steven

When sorttable is executed, system.map is queried, so the creation
of system.map is moved forward. Did that make a difference?

在 2022/1/14 上午11:50, Steven Rostedt 写道:
> On Fri, 14 Jan 2022 14:34:18 +1100
> Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
>>> Does it fail on anything else?
>>
>> This is the first build I do after merging each tree, so I don't know
>> about others.  I may be able to do some testing later today (after
>> linux-next is released).
> 
> Could you see if this fixes it? This is a revert of part of the patch.
> Yinan, was there a reason you moved this code?
> 
> -- Steve
> 
> diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
> index dd9955f45774..5cdd9bc5c385 100755
> --- a/scripts/link-vmlinux.sh
> +++ b/scripts/link-vmlinux.sh
> @@ -400,9 +400,6 @@ if [ -n "${CONFIG_DEBUG_INFO_BTF}" -a -n "${CONFIG_BPF}" ]; then
>   	${RESOLVE_BTFIDS} vmlinux
>   fi
>   
> -info SYSMAP System.map
> -mksysmap vmlinux System.map
> -
>   if [ -n "${CONFIG_BUILDTIME_TABLE_SORT}" ]; then
>   	info SORTTAB vmlinux
>   	if ! sorttable vmlinux; then
> @@ -411,6 +408,9 @@ if [ -n "${CONFIG_BUILDTIME_TABLE_SORT}" ]; then
>   	fi
>   fi
>   
> +info SYSMAP System.map
> +mksysmap vmlinux System.map
> +
>   # step a (see comment above)
>   if [ -n "${CONFIG_KALLSYMS}" ]; then
>   	mksysmap ${kallsyms_vmlinux} .tmp_System.map