Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
On Wed, Oct 04, 2017 at 12:30:21AM +0200, Stefan Lippers-Hollmann wrote: > Hi > > On 2017-10-03, Paolo Bonzini wrote: > > On 03/10/2017 09:46, Stefan Lippers-Hollmann wrote: > > > On 2017-10-02, gre...@linuxfoundation.org wrote: > > >> This is a note to let you know that I've just added the patch titled > > >> > > >> KVM: VMX: avoid double list add with VT-d posted interrupts > > >> > > >> to the 4.13-stable tree which can be found at: > > >> > > >> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > >> > > >> The filename of the patch is: > > >> kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch > > >> and it can be found in the queue-4.13 subdirectory. > > > > > > This patch, as part of the current queue-4.13, breaks the build on > > > i386 (amd64/ x86_64 builds fine): > [...] > > There is another patch in the kvm tree to fix it, I'll send it to stable > > immediately. > > Thanks, I can confirm this to work in 4.13.5-rc1 (including > "KVM: VMX: use cmpxchg64") for i386 and x86_64. > > Unrelated to this specific, solved, issue I can confirm kernel > 4.9.53-rc1 to build and boot on armhf (ipq8065) and 4.4.90-rc1 > on mips (ar71xx). Nice, thanks for testing and letting me know. greg k-h
Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
On Wed, Oct 04, 2017 at 12:30:21AM +0200, Stefan Lippers-Hollmann wrote: > Hi > > On 2017-10-03, Paolo Bonzini wrote: > > On 03/10/2017 09:46, Stefan Lippers-Hollmann wrote: > > > On 2017-10-02, gre...@linuxfoundation.org wrote: > > >> This is a note to let you know that I've just added the patch titled > > >> > > >> KVM: VMX: avoid double list add with VT-d posted interrupts > > >> > > >> to the 4.13-stable tree which can be found at: > > >> > > >> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > >> > > >> The filename of the patch is: > > >> kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch > > >> and it can be found in the queue-4.13 subdirectory. > > > > > > This patch, as part of the current queue-4.13, breaks the build on > > > i386 (amd64/ x86_64 builds fine): > [...] > > There is another patch in the kvm tree to fix it, I'll send it to stable > > immediately. > > Thanks, I can confirm this to work in 4.13.5-rc1 (including > "KVM: VMX: use cmpxchg64") for i386 and x86_64. > > Unrelated to this specific, solved, issue I can confirm kernel > 4.9.53-rc1 to build and boot on armhf (ipq8065) and 4.4.90-rc1 > on mips (ar71xx). Nice, thanks for testing and letting me know. greg k-h
Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
Hi On 2017-10-03, Paolo Bonzini wrote: > On 03/10/2017 09:46, Stefan Lippers-Hollmann wrote: > > On 2017-10-02, gre...@linuxfoundation.org wrote: > >> This is a note to let you know that I've just added the patch titled > >> > >> KVM: VMX: avoid double list add with VT-d posted interrupts > >> > >> to the 4.13-stable tree which can be found at: > >> > >> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > >> > >> The filename of the patch is: > >> kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch > >> and it can be found in the queue-4.13 subdirectory. > > > > This patch, as part of the current queue-4.13, breaks the build on > > i386 (amd64/ x86_64 builds fine): [...] > There is another patch in the kvm tree to fix it, I'll send it to stable > immediately. Thanks, I can confirm this to work in 4.13.5-rc1 (including "KVM: VMX: use cmpxchg64") for i386 and x86_64. Unrelated to this specific, solved, issue I can confirm kernel 4.9.53-rc1 to build and boot on armhf (ipq8065) and 4.4.90-rc1 on mips (ar71xx). Thanks a lot, regards Stefan Lippers-Hollmann
Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
Hi On 2017-10-03, Paolo Bonzini wrote: > On 03/10/2017 09:46, Stefan Lippers-Hollmann wrote: > > On 2017-10-02, gre...@linuxfoundation.org wrote: > >> This is a note to let you know that I've just added the patch titled > >> > >> KVM: VMX: avoid double list add with VT-d posted interrupts > >> > >> to the 4.13-stable tree which can be found at: > >> > >> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > >> > >> The filename of the patch is: > >> kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch > >> and it can be found in the queue-4.13 subdirectory. > > > > This patch, as part of the current queue-4.13, breaks the build on > > i386 (amd64/ x86_64 builds fine): [...] > There is another patch in the kvm tree to fix it, I'll send it to stable > immediately. Thanks, I can confirm this to work in 4.13.5-rc1 (including "KVM: VMX: use cmpxchg64") for i386 and x86_64. Unrelated to this specific, solved, issue I can confirm kernel 4.9.53-rc1 to build and boot on armhf (ipq8065) and 4.4.90-rc1 on mips (ar71xx). Thanks a lot, regards Stefan Lippers-Hollmann
Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
On 03/10/2017 09:46, Stefan Lippers-Hollmann wrote: > Hi > > On 2017-10-02, gre...@linuxfoundation.org wrote: >> This is a note to let you know that I've just added the patch titled >> >> KVM: VMX: avoid double list add with VT-d posted interrupts >> >> to the 4.13-stable tree which can be found at: >> >> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary >> >> The filename of the patch is: >> kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch >> and it can be found in the queue-4.13 subdirectory. > > This patch, as part of the current queue-4.13, breaks the build on > i386 (amd64/ x86_64 builds fine): > > CC [M] arch/x86/kvm/vmx.o > In file included from > /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, > from /build/linux-aptosid-4.13/include/linux/atomic.h:4, > from > /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, > from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, > from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, > from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function '__pi_post_block': > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:129:2: warning: > '__ret' is used uninitialized in this function [-Wuninitialized] > __ret;\ > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' > was declared here > __typeof__(*(ptr)) __ret; \ > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of macro '__raw_cmpxchg' > __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in > expansion of macro '__cmpxchg' > __cmpxchg(ptr, old, new, sizeof(*(ptr))) > ^ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11422:11: note: in expansion of > macro 'cmpxchg' > } while (cmpxchg(_desc->control, old.control, >^~~ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function 'vmx_vcpu_load': > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:2: warning: '__ret' may be > used uninitialized in this function [-Wmaybe-uninitialized] > } while (cmpxchg(_desc->control, old.control, > ^ > In file included from > /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, > from /build/linux-aptosid-4.13/include/linux/atomic.h:4, > from > /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, > from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, > from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, > from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' > was declared here > __typeof__(*(ptr)) __ret; \ > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of macro '__raw_cmpxchg' > __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in > expansion of macro '__cmpxchg' > __cmpxchg(ptr, old, new, sizeof(*(ptr))) > ^ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of > macro 'cmpxchg' > } while (cmpxchg(_desc->control, old.control, >^~~ > In function 'vmx_vcpu_pi_load', > inlined from 'vmx_vcpu_load' at > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2301:2: > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call > to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size > for cmpxchg >__cmpxchg_wrong_size(); \ >^~ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of macro '__raw_cmpxchg' > __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in > expansion of macro '__cmpxchg' > __cmpxchg(ptr, old, new, sizeof(*(ptr))) > ^ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of > macro 'cmpxchg' > } while (cmpxchg(_desc->control, old.control, >^~~ > In function '__pi_post_block', > inlined from 'pi_post_block' at > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11521:2, > inlined from 'vmx_post_block' at > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11530:2: > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call > to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size > for cmpxchg >__cmpxchg_wrong_size(); \ >^~ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of
Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
On 03/10/2017 09:46, Stefan Lippers-Hollmann wrote: > Hi > > On 2017-10-02, gre...@linuxfoundation.org wrote: >> This is a note to let you know that I've just added the patch titled >> >> KVM: VMX: avoid double list add with VT-d posted interrupts >> >> to the 4.13-stable tree which can be found at: >> >> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary >> >> The filename of the patch is: >> kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch >> and it can be found in the queue-4.13 subdirectory. > > This patch, as part of the current queue-4.13, breaks the build on > i386 (amd64/ x86_64 builds fine): > > CC [M] arch/x86/kvm/vmx.o > In file included from > /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, > from /build/linux-aptosid-4.13/include/linux/atomic.h:4, > from > /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, > from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, > from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, > from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function '__pi_post_block': > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:129:2: warning: > '__ret' is used uninitialized in this function [-Wuninitialized] > __ret;\ > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' > was declared here > __typeof__(*(ptr)) __ret; \ > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of macro '__raw_cmpxchg' > __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in > expansion of macro '__cmpxchg' > __cmpxchg(ptr, old, new, sizeof(*(ptr))) > ^ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11422:11: note: in expansion of > macro 'cmpxchg' > } while (cmpxchg(_desc->control, old.control, >^~~ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function 'vmx_vcpu_load': > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:2: warning: '__ret' may be > used uninitialized in this function [-Wmaybe-uninitialized] > } while (cmpxchg(_desc->control, old.control, > ^ > In file included from > /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, > from /build/linux-aptosid-4.13/include/linux/atomic.h:4, > from > /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, > from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, > from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, > from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' > was declared here > __typeof__(*(ptr)) __ret; \ > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of macro '__raw_cmpxchg' > __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in > expansion of macro '__cmpxchg' > __cmpxchg(ptr, old, new, sizeof(*(ptr))) > ^ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of > macro 'cmpxchg' > } while (cmpxchg(_desc->control, old.control, >^~~ > In function 'vmx_vcpu_pi_load', > inlined from 'vmx_vcpu_load' at > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2301:2: > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call > to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size > for cmpxchg >__cmpxchg_wrong_size(); \ >^~ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of macro '__raw_cmpxchg' > __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) > ^ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in > expansion of macro '__cmpxchg' > __cmpxchg(ptr, old, new, sizeof(*(ptr))) > ^ > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of > macro 'cmpxchg' > } while (cmpxchg(_desc->control, old.control, >^~~ > In function '__pi_post_block', > inlined from 'pi_post_block' at > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11521:2, > inlined from 'vmx_post_block' at > /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11530:2: > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call > to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size > for cmpxchg >__cmpxchg_wrong_size(); \ >^~ > /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in > expansion of
Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
Hi On 2017-10-02, gre...@linuxfoundation.org wrote: > This is a note to let you know that I've just added the patch titled > > KVM: VMX: avoid double list add with VT-d posted interrupts > > to the 4.13-stable tree which can be found at: > > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > The filename of the patch is: > kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch > and it can be found in the queue-4.13 subdirectory. This patch, as part of the current queue-4.13, breaks the build on i386 (amd64/ x86_64 builds fine): CC [M] arch/x86/kvm/vmx.o In file included from /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, from /build/linux-aptosid-4.13/include/linux/atomic.h:4, from /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function '__pi_post_block': /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:129:2: warning: '__ret' is used uninitialized in this function [-Wuninitialized] __ret;\ ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' was declared here __typeof__(*(ptr)) __ret; \ ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11422:11: note: in expansion of macro 'cmpxchg' } while (cmpxchg(_desc->control, old.control, ^~~ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function 'vmx_vcpu_load': /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:2: warning: '__ret' may be used uninitialized in this function [-Wmaybe-uninitialized] } while (cmpxchg(_desc->control, old.control, ^ In file included from /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, from /build/linux-aptosid-4.13/include/linux/atomic.h:4, from /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' was declared here __typeof__(*(ptr)) __ret; \ ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of macro 'cmpxchg' } while (cmpxchg(_desc->control, old.control, ^~~ In function 'vmx_vcpu_pi_load', inlined from 'vmx_vcpu_load' at /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2301:2: /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg __cmpxchg_wrong_size(); \ ^~ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of macro 'cmpxchg' } while (cmpxchg(_desc->control, old.control, ^~~ In function '__pi_post_block', inlined from 'pi_post_block' at /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11521:2, inlined from 'vmx_post_block' at /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11530:2: /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg __cmpxchg_wrong_size(); \ ^~ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^
Re: Patch "KVM: VMX: avoid double list add with VT-d posted interrupts" has been added to the 4.13-stable tree
Hi On 2017-10-02, gre...@linuxfoundation.org wrote: > This is a note to let you know that I've just added the patch titled > > KVM: VMX: avoid double list add with VT-d posted interrupts > > to the 4.13-stable tree which can be found at: > > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > The filename of the patch is: > kvm-vmx-avoid-double-list-add-with-vt-d-posted-interrupts.patch > and it can be found in the queue-4.13 subdirectory. This patch, as part of the current queue-4.13, breaks the build on i386 (amd64/ x86_64 builds fine): CC [M] arch/x86/kvm/vmx.o In file included from /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, from /build/linux-aptosid-4.13/include/linux/atomic.h:4, from /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function '__pi_post_block': /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:129:2: warning: '__ret' is used uninitialized in this function [-Wuninitialized] __ret;\ ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' was declared here __typeof__(*(ptr)) __ret; \ ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11422:11: note: in expansion of macro 'cmpxchg' } while (cmpxchg(_desc->control, old.control, ^~~ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c: In function 'vmx_vcpu_load': /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:2: warning: '__ret' may be used uninitialized in this function [-Wmaybe-uninitialized] } while (cmpxchg(_desc->control, old.control, ^ In file included from /build/linux-aptosid-4.13/arch/x86/include/asm/atomic.h:7:0, from /build/linux-aptosid-4.13/include/linux/atomic.h:4, from /build/linux-aptosid-4.13/include/linux/mm_types_task.h:12, from /build/linux-aptosid-4.13/include/linux/mm_types.h:4, from /build/linux-aptosid-4.13/arch/x86/kvm/irq.h:25, from /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:19: /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:86:21: note: '__ret' was declared here __typeof__(*(ptr)) __ret; \ ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of macro 'cmpxchg' } while (cmpxchg(_desc->control, old.control, ^~~ In function 'vmx_vcpu_pi_load', inlined from 'vmx_vcpu_load' at /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2301:2: /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg __cmpxchg_wrong_size(); \ ^~ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^ /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:2226:11: note: in expansion of macro 'cmpxchg' } while (cmpxchg(_desc->control, old.control, ^~~ In function '__pi_post_block', inlined from 'pi_post_block' at /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11521:2, inlined from 'vmx_post_block' at /build/linux-aptosid-4.13/arch/x86/kvm/vmx.c:11530:2: /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:127:3: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg __cmpxchg_wrong_size(); \ ^~ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:133:2: note: in expansion of macro '__raw_cmpxchg' __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) ^ /build/linux-aptosid-4.13/arch/x86/include/asm/cmpxchg.h:148:2: note: in expansion of macro '__cmpxchg' __cmpxchg(ptr, old, new, sizeof(*(ptr))) ^
