Messages in this thread Patch in this message | | | From | Naga Chumbalkar <> | Subject | [PATCH]: x86: Don't check for BIOS corruption in first 64K when there's no need to | Date | Fri, 25 Feb 2011 20:31:55 +0000 (UTC) |
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Due to commit 781c5a67f152c17c3e4a9ed9647f8c0be6ea5ae9 it is likely that the number of areas to scan for BIOS corruption is 0 -- especially when the first 64K is already reserved (X86_RESERVE_LOW is 64K by default). If that's the case then don't set up the scan.
Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com> --- arch/x86/kernel/check.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c index 13a3891..a9480e1 100644 --- a/arch/x86/kernel/check.c +++ b/arch/x86/kernel/check.c @@ -106,8 +106,9 @@ void __init setup_bios_corruption_check(void) addr += size; } - printk(KERN_INFO "Scanning %d areas for low memory corruption\n", - num_scan_areas); + if (num_scan_areas) + printk(KERN_INFO "Scanning %d areas for low memory " + "corruption\n", num_scan_areas); } @@ -148,7 +149,8 @@ static void check_corruption(struct work_struct *dummy) static int start_periodic_check_for_corruption(void) { - if (!memory_corruption_check || corruption_check_period == 0) + if (!num_scan_areas || !memory_corruption_check || + corruption_check_period == 0) return 0; printk(KERN_INFO "Scanning for low memory corruption every %d seconds\n", -- 1.7.1.2
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