diff mbox series

[for_v31,6/6] x86/sgx: Drop the message that fires when there are too many EPC sections

Message ID 20200529175407.2109-7-sean.j.christopherson@intel.com (mailing list archive)
State New, archived
Headers show
Series x86/sgx: Misc fixes for v31 | expand

Commit Message

Sean Christopherson May 29, 2020, 5:54 p.m. UTC
Terminate the section loop with '<' instead of '<=' and drop the
associated pr_warn in sgx_page_cache_init().  Per Boris, there's no
point in warning the user if they can't do anything about it.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kernel/cpu/sgx/main.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

Comments

Jarkko Sakkinen June 1, 2020, 1:01 a.m. UTC | #1
On Fri, May 29, 2020 at 10:54:07AM -0700, Sean Christopherson wrote:
> Terminate the section loop with '<' instead of '<=' and drop the
> associated pr_warn in sgx_page_cache_init().  Per Boris, there's no
> point in warning the user if they can't do anything about it.
> 
> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>

Applied this directly to the correct patch, thanks.

/Jarkko
diff mbox series

Patch

diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index ba5486a1ef6f4..c51a3ad7fcce0 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -692,7 +692,7 @@  static bool __init sgx_page_cache_init(void)
 	u64 pa, size;
 	int i;
 
-	for (i = 0; i <= ARRAY_SIZE(sgx_epc_sections); i++) {
+	for (i = 0; i < ARRAY_SIZE(sgx_epc_sections); i++) {
 		cpuid_count(SGX_CPUID, i + SGX_CPUID_FIRST_VARIABLE_SUB_LEAF,
 			    &eax, &ebx, &ecx, &edx);
 
@@ -705,11 +705,6 @@  static bool __init sgx_page_cache_init(void)
 			break;
 		}
 
-		if (i == ARRAY_SIZE(sgx_epc_sections)) {
-			pr_warn("No free slot for an EPC section\n");
-			break;
-		}
-
 		pa = sgx_calc_section_metric(eax, ebx);
 		size = sgx_calc_section_metric(ecx, edx);