2010-05-19 20:47:46 +02:00
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# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1273479772 -3600
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# Node ID 93c5beba9d04d3e8d2522241bad14107433c3121
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# Parent 3b6e33ebb57b670a48ad138aecb47cbd32a4e986
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xentrace: fix bug in t_info size
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t_info size should be in bytes, not pages. This fixes a bug
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that crashes the hypervisor if the total number of all pages
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is more than 1024 but less than 2048.
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Signed-off-by: George Dunlap <george.dunlap@citrix.com>
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2010-08-19 16:34:50 +02:00
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--- a/xen/common/trace.c
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+++ b/xen/common/trace.c
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2010-08-01 17:25:18 +02:00
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@@ -367,7 +367,7 @@ int tb_control(xen_sysctl_tbuf_op_t *tbc
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2010-05-19 20:47:46 +02:00
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case XEN_SYSCTL_TBUFOP_get_info:
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tbc->evt_mask = tb_event_mask;
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tbc->buffer_mfn = t_info ? virt_to_mfn(t_info) : 0;
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- tbc->size = T_INFO_PAGES;
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+ tbc->size = T_INFO_PAGES * PAGE_SIZE;
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break;
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case XEN_SYSCTL_TBUFOP_set_cpu_mask:
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xenctl_cpumap_to_cpumask(&tb_cpu_mask, &tbc->cpu_mask);
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