diff options
Diffstat (limited to 'debian/patches-rt/x86-kvm-require-const-tsc-for-rt.patch')
| -rw-r--r-- | debian/patches-rt/x86-kvm-require-const-tsc-for-rt.patch | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/debian/patches-rt/x86-kvm-require-const-tsc-for-rt.patch b/debian/patches-rt/x86-kvm-require-const-tsc-for-rt.patch index 453ed0561..26672624a 100644 --- a/debian/patches-rt/x86-kvm-require-const-tsc-for-rt.patch +++ b/debian/patches-rt/x86-kvm-require-const-tsc-for-rt.patch @@ -1,7 +1,7 @@ Subject: x86: kvm Require const tsc for RT From: Thomas Gleixner <tglx@linutronix.de> Date: Sun, 06 Nov 2011 12:26:18 +0100 -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.2/older/patches-5.2.17-rt9.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.4/older/patches-5.4.3-rt1.tar.xz Non constant TSC is a nightmare on bare metal already, but with virtualization it becomes a complete disaster because the workarounds @@ -15,11 +15,11 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c -@@ -7025,6 +7025,14 @@ int kvm_arch_init(void *opaque) +@@ -7207,6 +7207,14 @@ int kvm_arch_init(void *opaque) goto out; } -+#ifdef CONFIG_PREEMPT_RT_FULL ++#ifdef CONFIG_PREEMPT_RT + if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) { + pr_err("RT requires X86_FEATURE_CONSTANT_TSC\n"); + r = -EOPNOTSUPP; |