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powerpc/mpc85xx: check number of cores

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Panic if the number of cores is more than CONFIG_MAX_CPUS because it will
surely overflow gd structure.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
York Sun 2012-10-08 07:44:10 +00:00 committed by Andy Fleming
parent f77329cfcf
commit 2f1712b275
1 changed files with 5 additions and 0 deletions
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5
arch/powerpc/cpu/mpc85xx/cpu.c
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@ -127,6 +127,11 @@ int checkcpu (void)
printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr); printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
if (nr_cores > CONFIG_MAX_CPUS) {
panic("\nUnexpected number of cores: %d, max is %d\n",
nr_cores, CONFIG_MAX_CPUS);
}
get_sys_info(&sysinfo); get_sys_info(&sysinfo);
puts("Clock Configuration:"); puts("Clock Configuration:");