commit: 14ee9db400bf9dd5c603f32c96b44f381131b2cb Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Thu Aug 16 11:49:25 2018 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Thu Aug 16 11:49:25 2018 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=14ee9db4
x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled 0000_README | 4 +++ 1705_x86-l1tf-config-kvm-build-error-fix.patch | 40 ++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/0000_README b/0000_README index 4c5f97e..ada5b82 100644 --- a/0000_README +++ b/0000_README @@ -307,6 +307,10 @@ Patch: 1700_ia64_fix_ptrace.patch From: https://patchwork.kernel.org/patch/10198159/ Desc: ia64: fix ptrace(PTRACE_GETREGS) (unbreaks strace, gdb). +Patch: 1705_x86-l1tf-config-kvm-build-error-fix.patch +From: http://www.kernel.org +Desc: x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled + Patch: 2100_bcache-data-corruption-fix-for-bi-partno.patch From: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62530ed8b1d07a45dec94d46e521c0c6c2d476e6 Desc: bio: ensure __bio_clone_fast copies bi_partno. diff --git a/1705_x86-l1tf-config-kvm-build-error-fix.patch b/1705_x86-l1tf-config-kvm-build-error-fix.patch new file mode 100644 index 0000000..88c2ec6 --- /dev/null +++ b/1705_x86-l1tf-config-kvm-build-error-fix.patch @@ -0,0 +1,40 @@ +From 1eb46908b35dfbac0ec1848d4b1e39667e0187e9 Mon Sep 17 00:00:00 2001 +From: Guenter Roeck <li...@roeck-us.net> +Date: Wed, 15 Aug 2018 08:38:33 -0700 +Subject: x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled + +From: Guenter Roeck <li...@roeck-us.net> + +commit 1eb46908b35dfbac0ec1848d4b1e39667e0187e9 upstream. + +allmodconfig+CONFIG_INTEL_KVM=n results in the following build error. + + ERROR: "l1tf_vmx_mitigation" [arch/x86/kvm/kvm.ko] undefined! + +Fixes: 5b76a3cff011 ("KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry") +Reported-by: Meelis Roos <mr...@linux.ee> +Cc: Meelis Roos <mr...@linux.ee> +Cc: Paolo Bonzini <pbonz...@redhat.com> +Cc: Thomas Gleixner <t...@linutronix.de> +Signed-off-by: Guenter Roeck <li...@roeck-us.net> +Signed-off-by: Linus Torvalds <torva...@linux-foundation.org> +Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> + +--- + arch/x86/kernel/cpu/bugs.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +--- a/arch/x86/kernel/cpu/bugs.c ++++ b/arch/x86/kernel/cpu/bugs.c +@@ -648,10 +648,9 @@ void x86_spec_ctrl_setup_ap(void) + enum l1tf_mitigations l1tf_mitigation __ro_after_init = L1TF_MITIGATION_FLUSH; + #if IS_ENABLED(CONFIG_KVM_INTEL) + EXPORT_SYMBOL_GPL(l1tf_mitigation); +- ++#endif + enum vmx_l1d_flush_state l1tf_vmx_mitigation = VMENTER_L1D_FLUSH_AUTO; + EXPORT_SYMBOL_GPL(l1tf_vmx_mitigation); +-#endif + + static void __init l1tf_select_mitigation(void) + {
