From 2f529f9b558ca1c1bd74be7437a84e4711743404 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 01 Nov 2024 02:11:33 +0000
Subject: [PATCH] add xenomai
---
kernel/arch/x86/include/asm/pgtable.h | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/arch/x86/include/asm/pgtable.h b/kernel/arch/x86/include/asm/pgtable.h
index 87de9f2..d4b8b84 100644
--- a/kernel/arch/x86/include/asm/pgtable.h
+++ b/kernel/arch/x86/include/asm/pgtable.h
@@ -137,6 +137,7 @@
static inline void write_pkru(u32 pkru)
{
struct pkru_state *pk;
+ unsigned long flags;
if (!boot_cpu_has(X86_FEATURE_OSPKE))
return;
@@ -148,11 +149,11 @@
* written to the CPU. The FPU restore on return to userland would
* otherwise load the previous value again.
*/
- fpregs_lock();
+ flags = fpregs_lock();
if (pk)
pk->pkru = pkru;
__write_pkru(pkru);
- fpregs_unlock();
+ fpregs_unlock(flags);
}
static inline int pte_young(pte_t pte)
--
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