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dmaengine: idxd: Use cpu_feature_enabled()

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When testing x86 feature bits, use cpu_feature_enabled() so that
build-disabled features can remain off, regardless of what CPUID says.

Fixes: 8e50d39265 ("dmaengine: idxd: Add shared workqueue support")
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-By: Vinod Koul <vkoul@kernel.org>
Cc: <stable@vger.kernel.org>
This commit is contained in:
Borislav Petkov 2021-06-02 12:07:52 +02:00
parent 9a90ed065a
commit 74b2fc882d
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/idxd/init.c
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@ -745,12 +745,12 @@ static int __init idxd_init_module(void)
* If the CPU does not support MOVDIR64B or ENQCMDS, there's no point in
* enumerating the device. We can not utilize it.
*/
if (!boot_cpu_has(X86_FEATURE_MOVDIR64B)) {
if (!cpu_feature_enabled(X86_FEATURE_MOVDIR64B)) {
pr_warn("idxd driver failed to load without MOVDIR64B.\n");
return -ENODEV;
}
if (!boot_cpu_has(X86_FEATURE_ENQCMD))
if (!cpu_feature_enabled(X86_FEATURE_ENQCMD))
pr_warn("Platform does not have ENQCMD(S) support.\n");
else
support_enqcmd = true;