diff mbox series

[1/2] x86/sgx: Remove a warn from sgx_free_epc_page()

Message ID 20210111223610.62261-2-jarkko@kernel.org (mailing list archive)
State New, archived
Headers show
Series x86/sgx: Take away EREMOVE from sgx_free_epc_page() | expand

Commit Message

Jarkko Sakkinen Jan. 11, 2021, 10:36 p.m. UTC 
From: "jarkko@kernel.org" <jarkko@kernel.org>

Remove SGX_EPC_PAGE_RECLAIMER_TRACKED check and warning. This cannot
happen, as enclave pages are freed only at the time when encl->refcount
triggers, i.e. when both VFS and the page reclaimer have given up on
their references.

Signed-off-by: jarkko@kernel.org <jarkko@kernel.org>
---
 arch/x86/kernel/cpu/sgx/main.c | 2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 0da510763c47..b2996cb63a8a 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -636,8 +636,6 @@  void sgx_free_epc_page(struct sgx_epc_page *page)
 	struct sgx_epc_section *section = &sgx_epc_sections[page->section];
 	int ret;
 
-	WARN_ON_ONCE(page->flags & SGX_EPC_PAGE_RECLAIMER_TRACKED);
-
 	ret = __eremove(sgx_get_epc_virt_addr(page));
 	if (WARN_ONCE(ret, "EREMOVE returned %d (0x%x)", ret, ret))
 		return;