From: Borislav Petkov <bp@xxxxxxx>
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@xxxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-By: Vinod Koul <vkoul@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/dma/idxd/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -675,12 +675,12 @@ 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;
