30 lines
1.5 KiB
Diff
30 lines
1.5 KiB
Diff
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diff -up kexec-tools-testing-20070330/kexec/arch/ppc64/crashdump-ppc64.c.orig kexec-tools-testing-20070330/kexec/arch/ppc64/crashdump-ppc64.c
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--- kexec-tools-testing-20070330/kexec/arch/ppc64/crashdump-ppc64.c.orig 2008-05-19 15:25:25.000000000 -0400
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+++ kexec-tools-testing-20070330/kexec/arch/ppc64/crashdump-ppc64.c 2008-05-19 15:33:22.000000000 -0400
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@@ -107,6 +107,7 @@ static int get_crash_memory_ranges(struc
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struct dirent *dentry, *mentry;
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int i, n, crash_rng_len = 0;
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unsigned long long start, end, cstart, cend;
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+ int page_size = getpagesize();
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crash_max_memory_ranges = max_memory_ranges + 6;
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crash_rng_len = sizeof(struct memory_range) * crash_max_memory_ranges;
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@@ -219,6 +220,17 @@ static int get_crash_memory_ranges(struc
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if (cend > crash_base + crash_size)
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cend = crash_base + crash_size;
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crash_memory_range[memory_ranges].start = cstart;
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+ /*
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+ * The rtas section created here is formed by reading rtas-base
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+ * and rtas-size from /proc/device-tree/rtas. Unfortunately
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+ * rtas-size is not required to be a multiple of PAGE_SIZE
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+ * The remainder of the page it ends on is just garbage, and is
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+ * safe to read, its just not accounted in rtas-size. Since
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+ * we're creating an elf section here though, lets round it up
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+ * to the next page size boundary though, so makedumpfile can
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+ * read it safely without going south on us.
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+ */
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+ cend = (cend + page_size - 1) & (~(page_size - 1));
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crash_memory_range[memory_ranges++].end = cend;
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}
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/*
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