Re: x86-64: Maintain 16-byte stack alignment
From: Ard Biesheuvel <hidden>
Date: 2017-01-11 08:07:33
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On 11 January 2017 at 06:53, Linus Torvalds [off-list ref] wrote:
On Jan 10, 2017 8:36 PM, "Herbert Xu" [off-list ref] wrote: Sure we can ban the use of attribute aligned on stacks. But what about indirect uses through structures? It should be pretty trivial to add a sparse warning for that, though.
Couldn't we update the __aligned(x) macro to emit 32 if arch == x86 and x == 16? All other cases should work just fine afaict