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sysctl: add cold_boot sysctl entry

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Add a cold_boot parameter which supplements the
boot_reason sysctl entry with information about
whether the system was booted from cold or warm state.

/proc/sys/kernel/cold_boot entry is updated with 1 or 0 when
system was booted from cold or warm boot state respecitively.

CRs-Fixed: 461256
Change-Id: I2bc5d80c8f26eb9e9dbb4b34960d991a51a224e4
Signed-off-by: David Keitel <dkeitel@codeaurora.org>
This commit is contained in:
David Keitel
2013-10-07 12:28:53 +05:30
committed by Prasad Sodagudi
parent 47a8a27cda
commit 8ae67affdd
6 changed files with 26 additions and 1 deletions
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kernel/sysctl_binary.c
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@@ -138,6 +138,7 @@ static const struct bin_table bin_kern_table[] = {
{ CTL_INT, KERN_MAX_LOCK_DEPTH, "max_lock_depth" },
{ CTL_INT, KERN_PANIC_ON_NMI, "panic_on_unrecovered_nmi" },
{ CTL_INT, KERN_BOOT_REASON, "boot_reason" },
{ CTL_INT, KERN_COLD_BOOT, "cold_boot" },
{}
};