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[linux-6.6.y] crypto: x86/crc32c-intel - Don't match some Zhaoxin CPUs #262

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Merged
opsiff merged 1 commit into from
Jun 13, 2024
Merged

[linux-6.6.y] crypto: x86/crc32c-intel - Don't match some Zhaoxin CPUs #262

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7 changes: 7 additions & 0 deletions arch/x86/crypto/crc32c-intel_glue.c
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Original file line number Diff line number Diff line change
Expand Up @@ -222,8 +222,15 @@ MODULE_DEVICE_TABLE(x86cpu, crc32c_cpu_id);

static int __init crc32c_intel_mod_init(void)
{
struct cpuinfo_x86 *c = &boot_cpu_data;

if (!x86_match_cpu(crc32c_cpu_id))
return -ENODEV;

if ((c->x86_vendor == X86_VENDOR_ZHAOXIN || c->x86_vendor == X86_VENDOR_CENTAUR) &&
(c->x86 <= 7 && c->x86_model <= 59))
return -ENODEV;

#ifdef CONFIG_X86_64
if (boot_cpu_has(X86_FEATURE_PCLMULQDQ)) {
alg.update = crc32c_pcl_intel_update;
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