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[for_v23,5/9] x86/sgx: WARN only once if EREMOVE fails

Message ID 20191010214301.25669-6-sean.j.christopherson@intel.com (mailing list archive)
State New, archived
Headers show
Series x86/sgx: misc page related fixes | expand

Commit Message

Sean Christopherson Oct. 10, 2019, 9:42 p.m. UTC 
WARN only once if EREMOVE fails to avoid spamming the kernel log if a
catastrophic failure occurs.  Warning on every failure is helpful for
development, but is a bad idea for production code as EREMOVE rarely
fails just once...

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kernel/cpu/sgx/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 5170d4ba1096..84a44251387b 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -137,7 +137,7 @@  int sgx_free_page(struct sgx_epc_page *page)
 	spin_unlock(&sgx_active_page_list_lock);
 
 	ret = __eremove(sgx_epc_addr(page));
-	WARN(ret, "EREMOVE returned %d (0x%x)", ret, ret);
+	WARN_ONCE(ret, "EREMOVE returned %d (0x%x)", ret, ret);
 
 	spin_lock(&section->lock);
 	list_add_tail(&page->list, &section->page_list);