search for: xen_vcpu_info_mask

...- movl xen_vcpu, %eax > + movl %ss:xen_vcpu, %eax > #endif > > /* check IF state we're restoring */ > @@ -106,11 +106,11 @@ ENTRY(xen_iret) > * resuming the code, so we don't have to be worried about > * being preempted to another CPU. > */ > - setz XEN_vcpu_info_mask(%eax) > + setz %ss:XEN_vcpu_info_mask(%eax) > xen_iret_start_crit: > > /* check for unmasked and pending */ > - cmpw $0x0001, XEN_vcpu_info_pending(%eax) > + cmpw $0x0001, %ss:XEN_vcpu_info_pending(%eax) > > /* > * If there's something pending, mask events...

...- movl xen_vcpu, %eax > + movl %ss:xen_vcpu, %eax > #endif > > /* check IF state we're restoring */ > @@ -106,11 +106,11 @@ ENTRY(xen_iret) > * resuming the code, so we don't have to be worried about > * being preempted to another CPU. > */ > - setz XEN_vcpu_info_mask(%eax) > + setz %ss:XEN_vcpu_info_mask(%eax) > xen_iret_start_crit: > > /* check for unmasked and pending */ > - cmpw $0x0001, XEN_vcpu_info_pending(%eax) > + cmpw $0x0001, %ss:XEN_vcpu_info_pending(%eax) > > /* > * If there's something pending, mask events...

...9;t implement yet */ +#define XEN_EFLAGS_NMI 0x80000000 /* Enable events. This clears the event mask and tests the pending @@ -81,13 +87,12 @@ ENDPATCH(xen_save_fl_direct) */ ENTRY(xen_restore_fl_direct) testb $X86_EFLAGS_IF>>8, %ah - setz %al - movb %al, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask + setz PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask /* Preempt here doesn't matter because that will deal with any pending interrupts. The pending check may end up being run on the wrong CPU, but that doesn't hurt. */ - /* check for pending but unmasked */ + /* check for unm...

...9;t implement yet */ +#define XEN_EFLAGS_NMI 0x80000000 /* Enable events. This clears the event mask and tests the pending @@ -81,13 +87,12 @@ ENDPATCH(xen_save_fl_direct) */ ENTRY(xen_restore_fl_direct) testb $X86_EFLAGS_IF>>8, %ah - setz %al - movb %al, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask + setz PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask /* Preempt here doesn't matter because that will deal with any pending interrupts. The pending check may end up being run on the wrong CPU, but that doesn't hurt. */ - /* check for pending but unmasked */ + /* check for unm...

...asm.h" + +/* + Enable events. This clears the event mask and tests the pending + event status with one and operation. If there are pending + events, then enter the hypervisor to get them handled. + */ +ENTRY(xen_irq_enable_direct) + /* Unmask events */ + movb $0, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_mask + + /* Preempt here doesn''t matter because that will deal with + any pending interrupts. The pending check may end up being + run on the wrong CPU, but that doesn''t hurt. */ + + /* Test for pending */ + testb $0xff, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_pending + jz 1f...

...9;t implement yet */ +#define XEN_EFLAGS_NMI 0x80000000 /* Enable events. This clears the event mask and tests the pending @@ -81,13 +87,12 @@ ENDPATCH(xen_save_fl_direct) */ ENTRY(xen_restore_fl_direct) testb $X86_EFLAGS_IF>>8, %ah - setz %al - movb %al, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask + setz PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask /* Preempt here doesn't matter because that will deal with any pending interrupts. The pending check may end up being run on the wrong CPU, but that doesn't hurt. */ - /* check for pending but unmasked */ + /* check for unm...

...9;t implement yet */ +#define XEN_EFLAGS_NMI 0x80000000 /* Enable events. This clears the event mask and tests the pending @@ -81,13 +87,12 @@ ENDPATCH(xen_save_fl_direct) */ ENTRY(xen_restore_fl_direct) testb $X86_EFLAGS_IF>>8, %ah - setz %al - movb %al, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask + setz PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask /* Preempt here doesn't matter because that will deal with any pending interrupts. The pending check may end up being run on the wrong CPU, but that doesn't hurt. */ - /* check for pending but unmasked */ + /* check for unm...

...9;t implement yet */ +#define XEN_EFLAGS_NMI 0x80000000 /* Enable events. This clears the event mask and tests the pending @@ -81,13 +87,12 @@ ENDPATCH(xen_save_fl_direct) */ ENTRY(xen_restore_fl_direct) testb $X86_EFLAGS_IF>>8, %ah - setz %al - movb %al, PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask + setz PER_CPU_VAR(xen_vcpu_info)+XEN_vcpu_info_mask /* Preempt here doesn't matter because that will deal with any pending interrupts. The pending check may end up being run on the wrong CPU, but that doesn't hurt. */ - /* check for pending but unmasked */ + /* check for unm...

Changes: - patch v2: - Adapt patch to work post KPTI and compiler changes - Redo all performance testing with latest configs and compilers - Simplify mov macro on PIE (MOVABS now) - Reduce GOT footprint - patch v1: - Simplify ftrace implementation. - Use gcc mstack-protector-guard-reg=%gs with PIE when possible. - rfc v3: - Use --emit-relocs instead of -pie to reduce

Changes: - patch v2: - Adapt patch to work post KPTI and compiler changes - Redo all performance testing with latest configs and compilers - Simplify mov macro on PIE (MOVABS now) - Reduce GOT footprint - patch v1: - Simplify ftrace implementation. - Use gcc mstack-protector-guard-reg=%gs with PIE when possible. - rfc v3: - Use --emit-relocs instead of -pie to reduce

These patches make the changes necessary to build the kernel as Position Independent Executable (PIE) on x86_64. A PIE kernel can be relocated below the top 2G of the virtual address space. It allows to optionally extend the KASLR randomization range from 1G to 3G. Thanks a lot to Ard Biesheuvel & Kees Cook on their feedback on compiler changes, PIE support and KASLR in general. Thanks to

These patches make the changes necessary to build the kernel as Position Independent Executable (PIE) on x86_64. A PIE kernel can be relocated below the top 2G of the virtual address space. It allows to optionally extend the KASLR randomization range from 1G to 3G. Thanks a lot to Ard Biesheuvel & Kees Cook on their feedback on compiler changes, PIE support and KASLR in general. Thanks to

Changes: - patch v3: - Update on message to describe longer term PIE goal. - Minor change on ftrace if condition. - Changed code using xchgq. - patch v2: - Adapt patch to work post KPTI and compiler changes - Redo all performance testing with latest configs and compilers - Simplify mov macro on PIE (MOVABS now) - Reduce GOT footprint - patch v1: - Simplify ftrace

Changes: - patch v1: - Simplify ftrace implementation. - Use gcc mstack-protector-guard-reg=%gs with PIE when possible. - rfc v3: - Use --emit-relocs instead of -pie to reduce dynamic relocation space on mapped memory. It also simplifies the relocation process. - Move the start the module section next to the kernel. Remove the need for -mcmodel=large on modules. Extends

Changes: - patch v1: - Simplify ftrace implementation. - Use gcc mstack-protector-guard-reg=%gs with PIE when possible. - rfc v3: - Use --emit-relocs instead of -pie to reduce dynamic relocation space on mapped memory. It also simplifies the relocation process. - Move the start the module section next to the kernel. Remove the need for -mcmodel=large on modules. Extends

Hi Andi, This series of patches implements the Xen paravirt-ops interface. It applies to 2.6.21-git13 + patches-2.6.21-git7-070507-1.tar.gz (I think "unwinder" is the only patch which doesn't apply to git13, and the sched-clock patches are the only ones which this series actually needs). Changes since the last posting: - More netfront review and cleanup - Added ability to

Hi Andi, This series of patches implements the Xen paravirt-ops interface. It applies to 2.6.21-git13 + patches-2.6.21-git7-070507-1.tar.gz (I think "unwinder" is the only patch which doesn't apply to git13, and the sched-clock patches are the only ones which this series actually needs). Changes since the last posting: - More netfront review and cleanup - Added ability to

Hi Andi, This series of patches implements the Xen paravirt-ops interface. It applies to 2.6.21-git13 + patches-2.6.21-git7-070507-1.tar.gz (I think "unwinder" is the only patch which doesn't apply to git13, and the sched-clock patches are the only ones which this series actually needs). Changes since the last posting: - More netfront review and cleanup - Added ability to

Hi, This is the Xen implementation for the paravirt_ops interface. The series is based on 2.6.22-rc1-mm1, and I think its ready to be cooked in -mm with a view to being merged in 2.6.23. The first part of the series is some small changes to the core kernel. Apart from the new code added in "Allocate and free vmalloc areas" (posted many times before), they are simply a few one-liners

Hi, This is the Xen implementation for the paravirt_ops interface. The series is based on 2.6.22-rc1-mm1, and I think its ready to be cooked in -mm with a view to being merged in 2.6.23. The first part of the series is some small changes to the core kernel. Apart from the new code added in "Allocate and free vmalloc areas" (posted many times before), they are simply a few one-liners