powerpc: Clean up panic_timeout usage
Default CONFIG_PANIC_TIMEOUT to 180 seconds on powerpc. The pSeries continue to set the timeout to 10 seconds at run-time. Thus, there's a small window where we don't have the correct value on pSeries, but if this is only run-time discoverable we don't have a better option. In any case, if the user changes the default setting of 180 seconds, we honor that user setting. Signed-off-by: Jason Baron <jbaron@akamai.com> Cc: benh@kernel.crashing.org Cc: paulus@samba.org Cc: ralf@linux-mips.org Cc: mpe@ellerman.id.au Cc: felipe.contreras@gmail.com Cc: linuxppc-dev@lists.ozlabs.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/705bbe0f70fb20759151642ba0176a6414ec9f7a.1385418410.git.jbaron@akamai.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -147,6 +147,10 @@ config EARLY_PRINTK
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bool
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default y
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config PANIC_TIMEOUT
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int
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default 180
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config COMPAT
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bool
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default y if PPC64
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@ -26,6 +26,7 @@ extern void reloc_got2(unsigned long);
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void check_for_initrd(void);
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void do_init_bootmem(void);
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void setup_panic(void);
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#define ARCH_PANIC_TIMEOUT 180
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#endif /* !__ASSEMBLY__ */
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@ -296,9 +296,6 @@ void __init setup_arch(char **cmdline_p)
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if (cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE))
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ucache_bsize = icache_bsize = dcache_bsize;
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/* reboot on panic */
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panic_timeout = 180;
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if (ppc_md.panic)
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setup_panic();
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@ -588,9 +588,6 @@ void __init setup_arch(char **cmdline_p)
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dcache_bsize = ppc64_caches.dline_size;
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icache_bsize = ppc64_caches.iline_size;
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/* reboot on panic */
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panic_timeout = 180;
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if (ppc_md.panic)
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setup_panic();
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@ -470,7 +470,7 @@ static long pseries_little_endian_exceptions(void)
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static void __init pSeries_setup_arch(void)
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{
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panic_timeout = 10;
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set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT);
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/* Discover PIC type and setup ppc_md accordingly */
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pseries_discover_pic();
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