Commit e41e0fc6 authored by Jan Kiszka's avatar Jan Kiszka Committed by Marcelo Tosatti
Browse files

x86: Allow multiple cpu feature matches of lookup_feature



kvmclock is represented by two feature bits. Therefore, lookup_feature
needs to continue its search even after the first match. Enhance it
accordingly and switch to a bool return type at this chance.
Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 0c31b744
......@@ -182,20 +182,22 @@ static int altcmp(const char *s, const char *e, const char *altstr)
}
/* search featureset for flag *[s..e), if found set corresponding bit in
* *pval and return success, otherwise return zero
* *pval and return true, otherwise return false
*/
static int lookup_feature(uint32_t *pval, const char *s, const char *e,
static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
const char **featureset)
{
uint32_t mask;
const char **ppc;
bool found = false;
for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc)
for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
if (*ppc && !altcmp(s, e, *ppc)) {
*pval |= mask;
break;
found = true;
}
}
return (mask ? 1 : 0);
return found;
}
static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features,
......
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