From 02a258ac3ebf8a530d340ec24a694c13ac9d25c0 Mon Sep 17 00:00:00 2001 From: Armin Wolf Date: Thu, 19 Oct 2023 15:51:22 +0200 Subject: platform/x86/amd/hsmp: Fix iomem handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Since the metrics table is marked as io memory, use memcpy_fromio() when copying its contents. Compile-tested only. Fixes: 5150542b8ec5 ("platform/x86/amd/hsmp: add support for metrics tbl") Signed-off-by: Armin Wolf Link: https://lore.kernel.org/r/20231019135122.21774-1-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen --- drivers/platform/x86/amd/hsmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/platform') diff --git a/drivers/platform/x86/amd/hsmp.c b/drivers/platform/x86/amd/hsmp.c index b056a5c8654a..b55d80e29139 100644 --- a/drivers/platform/x86/amd/hsmp.c +++ b/drivers/platform/x86/amd/hsmp.c @@ -362,7 +362,7 @@ static ssize_t hsmp_metric_tbl_read(struct file *filp, struct kobject *kobj, ret = hsmp_send_message(&msg); if (ret) return ret; - memcpy(buf, sock->metric_tbl_addr, bin_attr->size); + memcpy_fromio(buf, sock->metric_tbl_addr, bin_attr->size); return bin_attr->size; } -- cgit v1.2.3