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b=j0+l/wT7XYT80yt3rK4SdeDSOW6xXvXJnTsyg5TibE5dy4EGmoLQymitLjLLpwgax2oxkbbS6dthMOEk3MP/zIrC5xE9tUj2XwtJmXVFFGCe/hCuTPFD/5SIE7CcPjpEaMfk2CanHxAptCKntxx6gW+ggsAZoKVXuMwkDzIHBKPdBCRH6MWbKiydC2erpm2sSpR9fPomsYYGb7AQ8JCg+yAffIi70/4dXMu5xgM6RMGDOFIbRzXBU/TugW7JS+B5yw9lcwf3vUWxX6aYIfGJXXJlMtRf+YHq9UlDlWrIBpAGYAEEV4fxiuQKDGXlfOX6ERb6wkE8pONf2ny/hyG9sw== From: Volodymyr Babchuk To: "xen-devel@lists.xenproject.org" CC: Stewart Hildebrand , Volodymyr Babchuk , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu Subject: [PATCH v10 09/17] rangeset: add rangeset_empty() function Thread-Topic: [PATCH v10 09/17] rangeset: add rangeset_empty() function Thread-Index: AQHZ/Vi+5V9BMbiD1kqnOLtHs/D1yw== Date: Thu, 12 Oct 2023 22:09:17 +0000 Message-ID: <20231012220854.2736994-10-volodymyr_babchuk@epam.com> References: <20231012220854.2736994-1-volodymyr_babchuk@epam.com> In-Reply-To: <20231012220854.2736994-1-volodymyr_babchuk@epam.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.42.0 x-ms-publictraffictype: Email x-ms-traffictypediagnostic: VI1PR03MB3710:EE_|DBAPR03MB6376:EE_ x-ms-office365-filtering-correlation-id: ad3e8fd7-1644-4ae1-1401-08dbcb6fe147 x-ld-processed: b41b72d0-4e9f-4c26-8a69-f949f367c91d,ExtAddr x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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charset="utf-8" This function can be used when user wants to remove all rangeset entries but do not want to destroy rangeset itself. Signed-off-by: Volodymyr Babchuk --- Changes in v10: - New in v10. The function is used in "vpci/header: handle p2m range sets = per BAR" --- xen/common/rangeset.c | 9 +++++++-- xen/include/xen/rangeset.h | 3 ++- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/xen/common/rangeset.c b/xen/common/rangeset.c index 35c3420885..420275669e 100644 --- a/xen/common/rangeset.c +++ b/xen/common/rangeset.c @@ -448,8 +448,7 @@ struct rangeset *rangeset_new( return r; } =20 -void rangeset_destroy( - struct rangeset *r) +void rangeset_empty(struct rangeset *r) { struct range *x; =20 @@ -465,6 +464,12 @@ void rangeset_destroy( =20 while ( (x =3D first_range(r)) !=3D NULL ) destroy_range(r, x); +} + +void rangeset_destroy( + struct rangeset *r) +{ + rangeset_empty(r); =20 xfree(r); } diff --git a/xen/include/xen/rangeset.h b/xen/include/xen/rangeset.h index f7c69394d6..5eded7ffc5 100644 --- a/xen/include/xen/rangeset.h +++ b/xen/include/xen/rangeset.h @@ -56,7 +56,7 @@ void rangeset_limit( bool_t __must_check rangeset_is_empty( const struct rangeset *r); =20 -/* Add/claim/remove/query a numeric range. */ +/* Add/claim/remove/query/empty a numeric range. */ int __must_check rangeset_add_range( struct rangeset *r, unsigned long s, unsigned long e); int __must_check rangeset_claim_range(struct rangeset *r, unsigned long si= ze, @@ -70,6 +70,7 @@ bool_t __must_check rangeset_overlaps_range( int rangeset_report_ranges( struct rangeset *r, unsigned long s, unsigned long e, int (*cb)(unsigned long s, unsigned long e, void *), void *ctxt); +void rangeset_empty(struct rangeset *r); =20 /* * Note that the consume function can return an error value apart from --=20 2.42.0