Re: [PATCH LIVEPATCH] Fix inclusion of new object files

[Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>]

On Fri, Feb 23, 2024 at 10:35 AM Andrew Cooper
<andrew.cooper3@xxxxxxxxxx> wrote:
>
> Right now, there's a mixup over the xen/ part of the path for new files.
>
>   + NEW_FILES=./arch/x86/lp-hooks.o
>   + for i in '$NEW_FILES'
>   ++ dirname ./arch/x86/lp-hooks.o
>   + mkdir -p output/./arch/x86
>   + cp patched/./arch/x86/lp-hooks.o output/./arch/x86/lp-hooks.o
>   cp: cannot stat 'patched/./arch/x86/lp-hooks.o': No such file or directory
>
> Alter the `cd` and `find` runes to use paths relative to the root of the
> different source trees.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> ---
> CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> CC: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
>
> I'm unsure whether there's a useful fixes tag to use.  AFAICT it was broken
> even when 0564f0c7a57 claimed to have it working.
> ---
>  livepatch-build | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/livepatch-build b/livepatch-build
> index cdb852cc7fea..948b2acfc2f6 100755
> --- a/livepatch-build
> +++ b/livepatch-build
> @@ -227,7 +227,7 @@ function create_patch()
>          fi
>      done
>
> -    NEW_FILES=$(comm -23 <(cd patched/xen && find . -type f -name '*.o' | 
> sort) <(cd original/xen && find . -type f -name '*.o' | sort))
> +    NEW_FILES=$(comm -23 <(cd patched && find xen/ -type f -name '*.o' | 
> sort) <(cd original && find xen/ -type f -name '*.o' | sort))
>      for i in $NEW_FILES; do
>          mkdir -p "output/$(dirname "$i")"
>          cp "patched/$i" "output/$i"
>
> base-commit: 1b5b03b3ce4187ce99bad580fd0ee36c6337313f
> --

Reviewed-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>