[PATCH for_v23 1/3] x86/sgx: Update the free page count in a single operation

[Sean Christopherson <sean.j.christopherson@xxxxxxxxx>]

Use atomic_add() instead of running atomic_inc() in a loop to manually
do the equivalent addition.

Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
---
 arch/x86/kernel/cpu/sgx/main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 499a9b0740c8..d45bf6fca0c8 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -195,8 +195,7 @@ static bool __init sgx_alloc_epc_section(u64 addr, u64 size,
 		list_add_tail(&page->list, &section->unsanitized_page_list);
 	}
 
-	for (i = 0; i < nr_pages; i++)
-		atomic_inc(&sgx_nr_free_pages);
+	atomic_add(nr_pages, &sgx_nr_free_pages);
 
 	return true;
 
-- 
2.22.0