From: Juergen Gross <jgross@suse.com>
To: xen-devel@lists.xenproject.org
Cc: Juergen Gross <jgross@suse.com>, Ian Jackson <iwj@xenproject.org>,
Wei Liu <wl@xen.org>
Subject: [PATCH v2 1/6] tools/libs/guest: fix max_pfn setting in map_p2m()
Date: Mon, 12 Apr 2021 17:22:31 +0200 [thread overview]
Message-ID: <20210412152236.1975-2-jgross@suse.com> (raw)
In-Reply-To: <20210412152236.1975-1-jgross@suse.com>
When setting the highest pfn used in the guest, don't subtract 1 from
the value read from the shared_info data. The value read already is
the correct pfn.
Fixes: 91e204d37f449 ("libxc: try to find last used pfn when migrating")
Signed-off-by: Juergen Gross <jgross@suse.com>
---
This is a backport candidate
---
tools/libs/guest/xg_sr_save_x86_pv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/libs/guest/xg_sr_save_x86_pv.c b/tools/libs/guest/xg_sr_save_x86_pv.c
index 4964f1f7b8..dae7f2817f 100644
--- a/tools/libs/guest/xg_sr_save_x86_pv.c
+++ b/tools/libs/guest/xg_sr_save_x86_pv.c
@@ -468,7 +468,7 @@ static int map_p2m(struct xc_sr_context *ctx)
ctx->x86.pv.p2m_generation = ~0ULL;
ctx->x86.pv.max_pfn = GET_FIELD(ctx->x86.pv.shinfo, arch.max_pfn,
- ctx->x86.pv.width) - 1;
+ ctx->x86.pv.width);
p2m_cr3 = GET_FIELD(ctx->x86.pv.shinfo, arch.p2m_cr3, ctx->x86.pv.width);
return p2m_cr3 ? map_p2m_list(ctx, p2m_cr3) : map_p2m_tree(ctx);
--
2.26.2
next prev parent reply other threads:[~2021-04-12 15:23 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 15:22 [PATCH v2 0/6] tools/libs: add missing support of linear p2m_list, cleanup Juergen Gross
2021-04-12 15:22 ` Juergen Gross [this message]
2021-04-21 10:13 ` [PATCH v2 1/6] tools/libs/guest: fix max_pfn setting in map_p2m() Wei Liu
2021-04-12 15:22 ` [PATCH v2 2/6] tools/libs/ctrl: fix xc_core_arch_map_p2m() to support linear p2m table Juergen Gross
2021-04-21 10:13 ` Wei Liu
2021-04-21 10:17 ` Juergen Gross
2021-05-17 12:44 ` Wei Liu
2021-04-12 15:22 ` [PATCH v2 3/6] tools/libs/ctrl: use common p2m mapping code in xc_domain_resume_any() Juergen Gross
2021-04-13 15:00 ` Christian Lindig
2021-04-13 15:11 ` Juergen Gross
2021-04-21 10:14 ` Wei Liu
2021-04-12 15:22 ` [PATCH v2 4/6] tools/libs: move xc_resume.c to libxenguest Juergen Gross
2021-04-21 10:14 ` Wei Liu
2021-04-12 15:22 ` [PATCH v2 5/6] tools/libs: move xc_core* from libxenctrl " Juergen Gross
2021-04-21 10:16 ` Wei Liu
2021-04-12 15:22 ` [PATCH v2 6/6] tools/libs/guest: make some definitions private " Juergen Gross
2021-04-21 10:16 ` Wei Liu
2021-05-12 6:58 ` [PATCH v2 0/6] tools/libs: add missing support of linear p2m_list, cleanup Juergen Gross
2021-05-25 7:32 ` Juergen Gross
2021-06-02 15:10 ` Juergen Gross
2021-06-04 6:02 Juergen Gross
2021-06-04 6:02 ` [PATCH v2 1/6] tools/libs/guest: fix max_pfn setting in map_p2m() Juergen Gross
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