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x86: move various CPU initialization objects into .cpuinit.rodata

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Impact: debuggability and micro-optimization

Putting whatever is possible into the (final) .rodata section increases
the likelihood of catching memory corruption bugs early, and reduces
false cache line sharing.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <49B90961.76E4.0078.0@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jan Beulich
2009-03-12 12:08:49 +00:00
committed by Ingo Molnar
parent 821508d4ef
commit 02dde8b45c
12 changed files with 36 additions and 35 deletions
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arch/x86/kernel/cpu/centaur.c
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@@ -468,7 +468,7 @@ centaur_size_cache(struct cpuinfo_x86 *c, unsigned int size)
return size;
}
static struct cpu_dev centaur_cpu_dev __cpuinitdata = {
static const struct cpu_dev __cpuinitconst centaur_cpu_dev = {
.c_vendor = "Centaur",
.c_ident = { "CentaurHauls" },
.c_early_init = early_init_centaur,