diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0009-KVM-x86-ioapic-Preserve-read-only-values-in-the-redi.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0009-KVM-x86-ioapic-Preserve-read-only-values-in-the-redi.patch | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0009-KVM-x86-ioapic-Preserve-read-only-values-in-the-redi.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0009-KVM-x86-ioapic-Preserve-read-only-values-in-the-redi.patch deleted file mode 100644 index 071eccd3..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0009-KVM-x86-ioapic-Preserve-read-only-values-in-the-redi.patch +++ /dev/null @@ -1,61 +0,0 @@ -From a4337b660fe26046e81471186dc393ca77371b83 Mon Sep 17 00:00:00 2001 -From: Nikita Leshenko <nikita.leshchenko@oracle.com> -Date: Sun, 5 Nov 2017 15:52:33 +0200 -Subject: [PATCH 09/33] KVM: x86: ioapic: Preserve read-only values in the - redirection table -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -[ Upstream commit b200dded0a6974a3b69599832b2203483920ab25 ] - -According to 82093AA (IOAPIC) manual, Remote IRR and Delivery Status are -read-only. QEMU implements the bits as RO in commit 479c2a1cb7fb -("ioapic: keep RO bits for IOAPIC entry"). - -Signed-off-by: Nikita Leshenko <nikita.leshchenko@oracle.com> -Reviewed-by: Liran Alon <liran.alon@oracle.com> -Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> -Reviewed-by: Wanpeng Li <wanpeng.li@hotmail.com> -Reviewed-by: Steve Rutherford <srutherford@google.com> -Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> -Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/kvm/ioapic.c | 6 ++++++ - 1 file changed, 6 insertions(+) - -diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c -index 4b573c8..5f810bb 100644 ---- a/arch/x86/kvm/ioapic.c -+++ b/arch/x86/kvm/ioapic.c -@@ -278,6 +278,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) - { - unsigned index; - bool mask_before, mask_after; -+ int old_remote_irr, old_delivery_status; - union kvm_ioapic_redirect_entry *e; - - switch (ioapic->ioregsel) { -@@ -300,6 +301,9 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) - return; - e = &ioapic->redirtbl[index]; - mask_before = e->fields.mask; -+ /* Preserve read-only fields */ -+ old_remote_irr = e->fields.remote_irr; -+ old_delivery_status = e->fields.delivery_status; - if (ioapic->ioregsel & 1) { - e->bits &= 0xffffffff; - e->bits |= (u64) val << 32; -@@ -307,6 +311,8 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) - e->bits &= ~0xffffffffULL; - e->bits |= (u32) val; - } -+ e->fields.remote_irr = old_remote_irr; -+ e->fields.delivery_status = old_delivery_status; - - /* - * Some OSes (Linux, Xen) assume that Remote IRR bit will --- -2.7.4 - |