work in the kernel.
> [0]
> https://github.com/terrelln/linux/commit/ac2ee65dcb7318afe426ad08f6a844faf3aebb41
I looks like you could remove a bit more dead code by noting __GNUC__ >= 4
(gcc-4.9 is currently the oldest supported [1]).
[1] Documentation/process/changes.rst
Best Regards
Michał Mirosław
On Thu, Dec 03, 2020 at 03:59:21AM +, Nick Terrell wrote:
> On Dec 2, 2020, at 7:14 PM, Michał Mirosław wrote:
> > On Thu, Dec 03, 2020 at 01:42:03AM +, Nick Terrell wrote:
> >> On Dec 2, 2020, at 5:16 PM, Michał Mirosław
> >> wrote:
> >>> On Wed,
On Thu, Dec 03, 2020 at 01:42:03AM +, Nick Terrell wrote:
>
>
> > On Dec 2, 2020, at 5:16 PM, Michał Mirosław wrote:
> >
> > On Wed, Dec 02, 2020 at 12:32:40PM -0800, Nick Terrell wrote:
> >> From: Nick Terrell
> >>
> >> This patch:
>
put, struct zstd_in_buffer *input)
> +{
> + ZSTD_outBuffer o;
> + ZSTD_inBuffer i;
> + size_t ret;
> +
> + memcpy(&o, output, sizeof(o));
> + memcpy(&i, input, sizeof(i));
> + ret = ZSTD_compressStream(cstream, &o, &i);
> + memcpy(output, &o, sizeof(o));
> + memcpy(input, &i, sizeof(i));
> + return ret;
> +}
Is all this copying necessary? How is it different from type-punning by
direct pointer cast?
Best Regards
Michał Mirosław
sh = (struct shash_desc *)__desc
> +
char shash##__desc[] or similar? Otherwise it won't work if you use
this macro twice in the same block.
Best Regards,
Michał Mirosław
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