On Thu, 29 Nov 2001, Jonathan Khoo wrote:
> Is this possible?
> I modified quite a few files in the kernel and I want to create a single
> patch file that can be used to patch other kernels.
>
> Is the following the correct way to create a patch file?
> 1. diff -u a.txt b.txt > patch.txt
> 2. patch -p1 a.txt < patch.txt
It is, but only for patching a single file.
>From "man diff":
diff [options] from-file to-file
[...]
If both from-file and to-file are directories, diff com
pares corresponding files in both directories, in alpha
betical order; this comparison is not recursive unless the
-r or --recursive option is given. diff never compares
the actual contents of a directory as if it were a file.
You should also read /usr/src/linux/Documentation/SubmittingPatches
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