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From: Jan Beulich <jbeulich@suse.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: "Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Julien Grall" <julien@xen.org>,
	"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
	"Juergen Gross" <jgross@suse.com>, "Tim Deegan" <tim@xen.org>,
	Xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH 0/7] xen: Switch to using -Og for debug builds
Date: Wed, 21 Apr 2021 11:51:50 +0200	[thread overview]
Message-ID: <3fda551c-fff3-d86e-d2cd-23408693bb7c@suse.com> (raw)
In-Reply-To: <b6b313d5-fd24-b1b8-afe9-0801825565f2@citrix.com>

On 21.04.2021 11:31, Andrew Cooper wrote:
> On 19/04/2021 16:45, Jan Beulich wrote:
>> On 19.04.2021 16:01, Andrew Cooper wrote:
>>> As with the toolstack side, we ought to use -Og for debug builds.
>>>
>>> All fixes are trivial.  The first 3 are understandable, given reduced
>>> optimisations.  The next 3 are, AFAICT, bogus diagnostics.
>>>
>>> Andrew Cooper (7):
>>>   xen/arm: Make make_cpus_node() compile at -Og
>>>   x86/shim: Fix compilation at -Og
>>>   x86/sysctl: Make arch_do_sysctl() compile at -Og
>>>   x86/irq: Make create_irq() compile at -Og
>>>   xen/efi: Make efi_start() compile at -Og
>>>   x86/shadow: Make _shadow_prealloc() compile at -Og
>>>   xen: Use -Og for debug builds when available
>> Acked-by: Jan Beulich <jbeulich@suse.com>
>>
>> I'd like to ask though that at least for the bogus warnings you
>> amend the commit messages with the gcc version these were observed
>> with. Perhaps even those seemingly bogus initializers would
>> benefit from a very brief comment (or else there's a fair chance
>> of them getting removed again at some point).
> 
> I'm afraid I don't have that information easily to hand, but all issues
> were found by distro-provided compilers included in our Gitlab
> infrastructure.

Well, okay, then we'll need to live with said risk. As an aside I'd
like to remind you though that on past occasions of working around
compiler oddities, I was asked as well to provide compiler version
information ...

Jan


      reply	other threads:[~2021-04-21  9:52 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-19 14:01 Andrew Cooper
2021-04-19 14:01 ` [PATCH 1/7] xen/arm: Make make_cpus_node() compile at -Og Andrew Cooper
2021-04-22 18:20   ` Julien Grall
2021-04-19 14:01 ` [PATCH 2/7] x86/shim: Fix compilation " Andrew Cooper
2021-04-19 14:01 ` [PATCH 3/7] x86/sysctl: Make arch_do_sysctl() compile " Andrew Cooper
2021-04-19 14:01 ` [PATCH 4/7] x86/irq: Make create_irq() " Andrew Cooper
2021-04-19 14:01 ` [PATCH 5/7] xen/efi: Make efi_start() " Andrew Cooper
2021-04-19 14:01 ` [PATCH 6/7] x86/shadow: Make _shadow_prealloc() " Andrew Cooper
2021-04-22  7:52   ` Tim Deegan
2021-04-19 14:01 ` [PATCH 7/7] xen: Use -Og for debug builds when available Andrew Cooper
2021-04-19 15:45 ` [PATCH 0/7] xen: Switch to using -Og for debug builds Jan Beulich
2021-04-21  9:31   ` Andrew Cooper
2021-04-21  9:51     ` Jan Beulich [this message]

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