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authorIngo Molnar2017-10-14 10:11:45 +0200
committerIngo Molnar2017-10-14 10:11:45 +0200
commit6edcf57233108df2e50ab5d3fa695ea958b4c779 (patch)
tree7f233132de3cf1d438ac5ca51cfa6e9c48f8b86f /arch/parisc/kernel/pdt.c
parentx86/unwinder: Make CONFIG_UNWINDER_ORC=y the default in the 64-bit defconfig (diff)
parentobjtool: Upgrade libelf-devel warning to error for CONFIG_ORC_UNWINDER (diff)
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Merge branch 'core/urgent' into x86/asm, to pick up dependency
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/parisc/kernel/pdt.c')
-rw-r--r--arch/parisc/kernel/pdt.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index 05730a83895c..00aed082969b 100644
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -15,6 +15,7 @@
#include <linux/memblock.h>
#include <linux/seq_file.h>
#include <linux/kthread.h>
+#include <linux/initrd.h>
#include <asm/pdc.h>
#include <asm/pdcpat.h>
@@ -216,8 +217,16 @@ void __init pdc_pdt_init(void)
}
for (i = 0; i < pdt_status.pdt_entries; i++) {
+ unsigned long addr;
+
report_mem_err(pdt_entry[i]);
+ addr = pdt_entry[i] & PDT_ADDR_PHYS_MASK;
+ if (IS_ENABLED(CONFIG_BLK_DEV_INITRD) &&
+ addr >= initrd_start && addr < initrd_end)
+ pr_crit("CRITICAL: initrd possibly broken "
+ "due to bad memory!\n");
+
/* mark memory page bad */
memblock_reserve(pdt_entry[i] & PAGE_MASK, PAGE_SIZE);
}