dmaengine: idxd: Use cpu_feature_enabled()

BugLink: https://bugs.launchpad.net/bugs/1933691
commit 74b2fc882d380d8fafc2a26f01d401c2a7beeadb upstream.

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

Fixes: 8e50d392652f ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>

diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 3d43c08f3a76758d6716dea856a27bb56235cc43..234f144113fe21effcea82f9ea553f6817a6f4b7 100644 (file)
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -669,12 +669,12 @@ 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;