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x86: align x86 arch with generic CPU modalias handling

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The x86 CPU feature modalias handling existed before it was reimplemented
generically. This patch aligns the x86 handling so that it
(a) reuses some more code that is now generic;
(b) uses the generic format for the modalias module metadata entry, i.e., it
    now uses 'cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:,XXXX,YYYY' instead of
    the 'x86cpu:vendor:VVVV:family:FFFF:model:MMMM:feature:,XXXX,YYYY' that was
    used before.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ard Biesheuvel
2014-02-08 13:34:10 +01:00
committed by Greg Kroah-Hartman
parent 67bad2fdb7
commit 2b9c1f0327
7 changed files with 16 additions and 69 deletions
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scripts/mod/file2alias.c
+5 -5
View File
@@ -1110,7 +1110,7 @@ static int do_amba_entry(const char *filename,
}
ADD_TO_DEVTABLE("amba", amba_id, do_amba_entry);
/* LOOKS like x86cpu:vendor:VVVV:family:FFFF:model:MMMM:feature:*,FEAT,*
/* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,*
* All fields are numbers. It would be nicer to use strings for vendor
* and feature, but getting those out of the build system here is too
* complicated.
@@ -1124,10 +1124,10 @@ static int do_x86cpu_entry(const char *filename, void *symval,
DEF_FIELD(symval, x86_cpu_id, model);
DEF_FIELD(symval, x86_cpu_id, vendor);
strcpy(alias, "x86cpu:");
ADD(alias, "vendor:", vendor != X86_VENDOR_ANY, vendor);
ADD(alias, ":family:", family != X86_FAMILY_ANY, family);
ADD(alias, ":model:", model != X86_MODEL_ANY, model);
strcpy(alias, "cpu:type:x86,");
ADD(alias, "ven", vendor != X86_VENDOR_ANY, vendor);
ADD(alias, "fam", family != X86_FAMILY_ANY, family);
ADD(alias, "mod", model != X86_MODEL_ANY, model);
strcat(alias, ":feature:*");
if (feature != X86_FEATURE_ANY)
sprintf(alias + strlen(alias), "%04X*", feature);