linux-kernel - Re: [PATCH v6 2/5] KVM: selftests: Put command line options in alphabetical order in dirty_log_perf

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Message-ID: <Y1lMkVip4AYIMZiK@google.com>
Date:   Wed, 26 Oct 2022 15:04:49 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     "Wang, Wei W" <wei.w.wang@...el.com>
Cc:     Vipin Sharma <vipinsh@...gle.com>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "dmatlack@...gle.com" <dmatlack@...gle.com>,
        "andrew.jones@...ux.dev" <andrew.jones@...ux.dev>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 2/5] KVM: selftests: Put command line options in
 alphabetical order in dirty_log_perf_test

On Wed, Oct 26, 2022, Wang, Wei W wrote:
> On Saturday, October 22, 2022 5:18 AM, Vipin Sharma wrote:
> > There are 13 command line options and they are not in any order. Put them in
> > alphabetical order to make it easy to add new options.
> > 
> > No functional change intended.
> > 
> > Signed-off-by: Vipin Sharma <vipinsh@...gle.com>
> > ---
> >  .../selftests/kvm/dirty_log_perf_test.c       | 36 ++++++++++---------
> >  1 file changed, 19 insertions(+), 17 deletions(-)
> > 
> > diff --git a/tools/testing/selftests/kvm/dirty_log_perf_test.c
> > b/tools/testing/selftests/kvm/dirty_log_perf_test.c
> > index 56e08da3a87f..5bb6954b2358 100644
> > --- a/tools/testing/selftests/kvm/dirty_log_perf_test.c
> > +++ b/tools/testing/selftests/kvm/dirty_log_perf_test.c
> > @@ -406,50 +406,52 @@ int main(int argc, char *argv[])
> > 
> >  	guest_modes_append_default();
> > 
> > -	while ((opt = getopt(argc, argv, "eghi:p:m:nb:f:v:os:x:")) != -1) {
> > +	while ((opt = getopt(argc, argv, "b:ef:ghi:m:nop:s:v:x:")) != -1) {
> >  		switch (opt) {
> > +		case 'b':
> > +			guest_percpu_mem_size = parse_size(optarg);
> > +			break;
> 
> "break" wasn't there.
> This is kind of a functional change (i.e. bug fixing), and would be better to be
> moved to patch 1.

Ya, good catch.