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Re: [PATCH] xen: Consistently use alignof()
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 22 Apr 2025 14:57:55 +0200
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 22 Apr 2025 12:58:03 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 22.04.2025 13:41, Andrew Cooper wrote:
> We have a mix of all 3 spellings in Xen, as well as having compatibility in
> compiler.h for older C standards.
>
> Remove the use of __alignof() and __alignof__(), which reduced code volume a
> little.
>
> No functional change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
as it seems sufficiently unlikely that ...
> ---
> xen/arch/x86/xstate.c | 4 ++--
> xen/common/coverage/gcc_3_4.c | 4 ++--
> xen/common/device-tree/device-tree.c | 8 ++++----
> xen/include/xen/config.h | 2 +-
> xen/include/xen/percpu.h | 2 +-
> xen/include/xen/xmalloc.h | 16 ++++++++--------
> xen/include/xen/xvmalloc.h | 16 ++++++++--------
> 7 files changed, 26 insertions(+), 26 deletions(-)
... the headers here might want re-using from outside of xen/. As mentioned
on Matrix the other day when a question was raised about asm() vs its
similar alternative spellings, I think it's generally a good idea to keep
headers tidy of possible name space conflicts. Just that for the ones
touched here this seems pretty unimportant.
Jan
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