[PATCH] Remove PACKED macro and use __attribute__((packed)) directly

Simon Horman horms at verge.net.au
Wed Oct 16 03:17:42 EDT 2013


On Wed, Oct 16, 2013 at 03:14:11PM +0800, Zhang Yanfei wrote:
> Hello simon,
> 
> On 10/16/2013 03:12 PM, Simon Horman wrote:
> > On Thu, Sep 05, 2013 at 05:21:21PM +0800, WANG Chao wrote:
> >> People are not always aware of PACKED macro and tend to
> >> __attribute__((packed)) more directly. So let's remove PACKED to unify
> >> things.
> >>
> >> Signed-off-by: WANG Chao <chaowang at redhat.com>
> > 
> > Thanks, this looks good to me.
> > 
> > Reviewed-by: Simon Horman <horms at verge.net.au>
> > 
> > I suggest re-posting with Andre Morton CCed to see
> > if he will pick it up.
> 
> You should take this because this is a change in kexec-tools,
> not in kernel source......:)

Oops. Thanks, I will take it.
> 
> > 
> >> ---
> >>  include/x86/x86-linux.h | 6 ++----
> >>  1 file changed, 2 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/include/x86/x86-linux.h b/include/x86/x86-linux.h
> >> index 0949dc2..c41e5f2 100644
> >> --- a/include/x86/x86-linux.h
> >> +++ b/include/x86/x86-linux.h
> >> @@ -12,8 +12,6 @@
> >>  
> >>  #ifndef ASSEMBLY
> >>  
> >> -#define PACKED __attribute__((packed))
> >> -
> >>  #ifndef E820_RAM
> >>  struct e820entry {
> >>  	uint64_t addr;	/* start of memory segment */
> >> @@ -23,7 +21,7 @@ struct e820entry {
> >>  #define E820_RESERVED	2
> >>  #define E820_ACPI	3 /* usable as RAM once ACPI tables have been read */
> >>  #define E820_NVS	4
> >> -} PACKED;
> >> +} __attribute__((packed));
> >>  #endif
> >>  
> >>  /* FIXME expand on drive_info_)struct... */
> >> @@ -255,7 +253,7 @@ struct x86_linux_header {
> >>  	uint64_t pref_address;			/* 0x258 */
> >>  	uint32_t init_size;			/* 0x260 */
> >>  	uint32_t handover_offset;		/* 0x264 */
> >> -} PACKED;
> >> +} __attribute__((packed));
> >>  
> >>  #endif /* ASSEMBLY */
> >>  
> >> -- 
> >> 1.8.3.1
> >>
> >>
> >> _______________________________________________
> >> kexec mailing list
> >> kexec at lists.infradead.org
> >> http://lists.infradead.org/mailman/listinfo/kexec
> >>
> > 
> 
> 
> -- 
> Thanks.
> Zhang Yanfei
> 
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