linux-kernel - Re: [PATCH] tools: hv: suppress the invalid warning for packed member alignment

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Message-ID: <20240417082149.GA9867@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
Date: Wed, 17 Apr 2024 01:21:49 -0700
From: Saurabh Singh Sengar <ssengar@...ux.microsoft.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: kys@...rosoft.com, haiyangz@...rosoft.com, wei.liu@...nel.org,
	decui@...rosoft.com, linux-kernel@...r.kernel.org,
	linux-hyperv@...r.kernel.org, ssengar@...rosoft.com
Subject: Re: [PATCH] tools: hv: suppress the invalid warning for packed
 member alignment

On Wed, Apr 17, 2024 at 10:17:21AM +0200, Greg KH wrote:
> On Wed, Apr 17, 2024 at 01:00:48AM -0700, Saurabh Sengar wrote:
> > Packed struct vmbus_bufring is 4096 byte aligned and the reporting
> > warning is for the first member of that struct which shouldn't add
> > any offset to create alignment issue.
> > 
> > Suppress the warning by adding -Wno-address-of-packed-member flag to
> > gcc.
> > 
> > Reported-by: kernel test robot <yujie.liu@...el.com>
> > Closes: https://lore.kernel.org/all/202404121913.GhtSoKbW-lkp@intel.com/
> > Signed-off-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
> 
> What commit id does this fix?

Fixes: 45bab4d74651 ("tools: hv: Add vmbus_bufring")

- Saurabh