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d="scan'208";a="65749704" From: Andrew Cooper To: Xen-devel CC: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Wei Liu Subject: [PATCH] x86/cmdline: Interpret 'vpmu' as a positive boolean Date: Wed, 2 Mar 2022 22:11:57 +0000 Message-ID: <20220302221157.17246-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1646259154040100001 This makes it behave slightly more like a regular boolean option. Signed-off-by: Andrew Cooper Reviewed-by: Jan Beulich --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 CC: Wei Liu Slightly RFC, because there is no easy way of making the opposite "normal boolean" case work for no-vpmu. --- xen/arch/x86/cpu/vpmu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/cpu/vpmu.c b/xen/arch/x86/cpu/vpmu.c index 4fedc7c57012..501d4f0af94e 100644 --- a/xen/arch/x86/cpu/vpmu.c +++ b/xen/arch/x86/cpu/vpmu.c @@ -66,7 +66,9 @@ static int __init cf_check parse_vpmu_params(const char *= s) if ( !ss ) ss =3D strchr(s, '\0'); =20 - if ( (val =3D parse_bool(s, ss)) >=3D 0 ) + if ( s =3D=3D ss ) + opt_vpmu_enabled =3D true; + else if ( (val =3D parse_bool(s, ss)) >=3D 0 ) { opt_vpmu_enabled =3D val; if ( !val ) --=20 2.11.0