Messages in this thread Patch in this message | | | From | Thomas Renninger <> | Subject | [PATCH] x86: mtrr fix debug parameter | Date | Tue, 20 Jan 2009 10:37:39 +0100 |
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while looking at: http://bugzilla.kernel.org/show_bug.cgi?id=11541 I realized that the mtrr.show param cannot work, because the code is processed much too early.
This patch: - Declares mtrr.show as early_param - Stays consistent with the previous param (which I doubt that it ever worked), so mtrr.show=1 would still work - Declares mtrr_show as initdata
Signed-off-by: Thomas Renninger <trenn@suse.de>
--- arch/x86/kernel/cpu/mtrr/generic.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-)
Index: linux-2.6/arch/x86/kernel/cpu/mtrr/generic.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/cpu/mtrr/generic.c +++ linux-2.6/arch/x86/kernel/cpu/mtrr/generic.c @@ -33,11 +33,13 @@ u64 mtrr_tom2; struct mtrr_state_type mtrr_state = {}; EXPORT_SYMBOL_GPL(mtrr_state); -#undef MODULE_PARAM_PREFIX -#define MODULE_PARAM_PREFIX "mtrr." - -static int mtrr_show; -module_param_named(show, mtrr_show, bool, 0); +static int __initdata mtrr_show; +static int __init mtrr_debug(char *opt) +{ + mtrr_show = 1; + return 0; +} +early_param("mtrr.show", mtrr_debug); /* * Returns the effective MTRR type for the region
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