Messages in this thread | | | Date | Fri, 1 May 2020 14:19:03 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 2/2] exec: open code copy_string_kernel |
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On Fri, 1 May 2020 12:41:05 +0200 Christoph Hellwig <hch@lst.de> wrote:
> Currently copy_string_kernel is just a wrapper around copy_strings that > simplifies the calling conventions and uses set_fs to allow passing a > kernel pointer. But due to the fact the we only need to handle a single > kernel argument pointer, the logic can be sigificantly simplified while > getting rid of the set_fs. >
I don't get why this is better? copy_strings() is still there and won't be going away - what's wrong with simply reusing it in this fashion?
I guess set_fs() is a bit hacky, but there's the benefit of not having to maintain two largely similar bits of code?
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