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Re: [Qemu-devel] [PATCH] block/nvme: Remove QEMU_PACKED from naturally a
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH] block/nvme: Remove QEMU_PACKED from naturally aligned NVMeRegs struct |
Date: |
Mon, 25 Feb 2019 14:30:08 +0000 |
On Mon, 25 Feb 2019 at 14:09, Kevin Wolf <address@hidden> wrote:
> Though I'm not sure why a compiler should warn if packed and non-packed
> result in the exact same layout anyway...
Packed implies "and any time you see a pointer to this struct
it might not be aligned". Non-packed implies "you can assume
that the base of the struct is aligned".
thanks
-- PMM