3ab5d775a1
OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=4293852b248e1f267831a4305b1c05a9
27 lines
969 B
Diff
27 lines
969 B
Diff
# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1277738876 -3600
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# Node ID 7e46fdbe8a1187cee2ab609256300d7967f37f06
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# Parent bf64e1081333696c68c9430cbc32c8bd6ee18796
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xentrace: restrict trace buffer MFNs
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Since they're being passed to Dom0 using an array of uint32_t, they
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must be representable as 32-bit quantities, and hence the buffer
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allocation must specify an upper address boundary.
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Signed-off-by: Jan Beulich <jbeulich@novell.com>
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Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
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--- a/xen/common/trace.c
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+++ b/xen/common/trace.c
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@@ -152,7 +152,8 @@ static int alloc_trace_bufs(void)
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char *rawbuf;
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struct t_buf *buf;
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- if ( (rawbuf = alloc_xenheap_pages(order, 0)) == NULL )
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+ if ( (rawbuf = alloc_xenheap_pages(
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+ order, MEMF_bits(32 + PAGE_SHIFT))) == NULL )
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{
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printk("Xen trace buffers: memory allocation failed\n");
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opt_tbuf_size = 0;
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