linux-kernel - Re: [PATCH] KVM: selftests: Fix GUEST_PRINTF() format warnings in ARM code

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Message-ID: <ZcFv-cYtQghiz2JK@google.com>
Date: Mon, 5 Feb 2024 15:32:09 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Oliver Upton <oliver.upton@...ux.dev>
Cc: Marc Zyngier <maz@...nel.org>, linux-arm-kernel@...ts.infradead.org, 
	kvmarm@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: selftests: Fix GUEST_PRINTF() format warnings in ARM code

On Sat, Feb 03, 2024, Oliver Upton wrote:
> On Fri, Feb 02, 2024 at 03:46:03PM -0800, Sean Christopherson wrote:
> > Fix a pile of -Wformat warnings in the KVM ARM selftests code, almost all
> > of which are benign "long" versus "long long" issues (selftests are 64-bit
> > only, and the guest printf code treats "ll" the same as "l").  The code
> > itself isn't problematic, but the warnings make it impossible to build ARM
> > selftests with -Werror, which does detect real issues from time to time.
> > 
> > Opportunistically have GUEST_ASSERT_BITMAP_REG() interpret set_expected,
> > which is a bool, as an unsigned decimal value, i.e. have it print '0' or
> > '1' instead of '0x0' or '0x1'.
> > 
> > Signed-off-by: Sean Christopherson <seanjc@...gle.com>
> 
> This all looks good to me. Just want to confirm before applying: you're
> not planning any other patches that'll go through your tree that depend
> on this right?

Correct.  There's one patch in kvm-x86/selftests (see below) that touches some
of the same files, but unless I had a bad -ENOCOFFEE on Friday, there are no conflicts.

[2/5] KVM: selftests: aarch64: Remove redundant newlines
      https://github.com/kvm-x86/linux/commit/95be17e4008b