search for: vdso_prelink

...are defined by vsyscall.o to mark the bounds * of the ELF DSO images included therein. @@ -104,12 +245,16 @@ int __init sysenter_setup(void) memcpy(syscall_page, &vsyscall_int80_start, &vsyscall_int80_end - &vsyscall_int80_start); + relocate_vdso(syscall_page, VDSO_PRELINK, __fix_to_virt(FIX_VDSO), + vdso_rel_int80_start, vdso_rel_int80_end); return 0; } memcpy(syscall_page, &vsyscall_sysenter_start, &vsyscall_sysenter_end - &vsyscall_sysenter_start); + relocate_vdso(syscall_page, VDSO_PRELINK, __fix_to_virt(FIX_V...

...are defined by vsyscall.o to mark the bounds * of the ELF DSO images included therein. @@ -104,12 +245,16 @@ int __init sysenter_setup(void) memcpy(syscall_page, &vsyscall_int80_start, &vsyscall_int80_end - &vsyscall_int80_start); + relocate_vdso(syscall_page, VDSO_PRELINK, __fix_to_virt(FIX_VDSO), + vdso_rel_int80_start, vdso_rel_int80_end); return 0; } memcpy(syscall_page, &vsyscall_sysenter_start, &vsyscall_sysenter_end - &vsyscall_sysenter_start); + relocate_vdso(syscall_page, VDSO_PRELINK, __fix_to_virt(FIX_V...

...are defined by vsyscall.o to mark the bounds * of the ELF DSO images included therein. @@ -104,12 +245,16 @@ int __init sysenter_setup(void) memcpy(syscall_page, &vsyscall_int80_start, &vsyscall_int80_end - &vsyscall_int80_start); + relocate_vdso(syscall_page, VDSO_PRELINK, __fix_to_virt(FIX_VDSO), + vdso_rel_int80_start, vdso_rel_int80_end); return 0; } memcpy(syscall_page, &vsyscall_sysenter_start, &vsyscall_sysenter_end - &vsyscall_sysenter_start); + relocate_vdso(syscall_page, VDSO_PRELINK, __fix_to_virt(FIX_V...

...uc #define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk= , elf_xfpregs) = #define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO)) -#define VDSO_BASE ((unsigned long)current->mm->context.vdso) - -#ifdef CONFIG_COMPAT_VDSO -# define VDSO_COMPAT_BASE VDSO_HIGH_BASE -# define VDSO_PRELINK VDSO_HIGH_BASE -#else -# define VDSO_COMPAT_BASE VDSO_BASE -# define VDSO_PRELINK 0 -#endif +#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso) +#define VDSO_PRELINK 0 = #define VDSO_SYM(x) \ - (VDSO_COMPAT_BASE + (unsigned long)(x) - VDSO_PRELINK) + (VDSO_CURRENT_BA...

...uc #define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk= , elf_xfpregs) = #define VDSO_HIGH_BASE (__fix_to_virt(FIX_VDSO)) -#define VDSO_BASE ((unsigned long)current->mm->context.vdso) - -#ifdef CONFIG_COMPAT_VDSO -# define VDSO_COMPAT_BASE VDSO_HIGH_BASE -# define VDSO_PRELINK VDSO_HIGH_BASE -#else -# define VDSO_COMPAT_BASE VDSO_BASE -# define VDSO_PRELINK 0 -#endif +#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso) +#define VDSO_PRELINK 0 = #define VDSO_SYM(x) \ - (VDSO_COMPAT_BASE + (unsigned long)(x) - VDSO_PRELINK) + (VDSO_CURRENT_BA...

Hi Andi, Here's a couple of patches to fix up COMPAT_VDSO: The first is a straightforward implementation of Jan's original idea of relocating the VDSO to match its mapped location. Unlike Jan and Zach's version, I changed it to relocate based on the phdrs rather than the sections; the result is pleasantly compact. The second patch takes advantage of the fact that all the

Hi Andi, Here's a couple of patches to fix up COMPAT_VDSO: The first is a straightforward implementation of Jan's original idea of relocating the VDSO to match its mapped location. Unlike Jan and Zach's version, I changed it to relocate based on the phdrs rather than the sections; the result is pleasantly compact. The second patch takes advantage of the fact that all the

Hi Andi, Four patches: - clean up asm/bugs.h, by moving all the C code into its own C file - split identify_cpu() into boot and secondary variants, so that boot-time setup functions can be marked __init - repost of the COMPAT_VDSO patches with a bit more robustness from unknown DT_tags, and functions marked __init, since all this is boot-time only setup. Thanks, J --

Hi Andi, Four patches: - clean up asm/bugs.h, by moving all the C code into its own C file - split identify_cpu() into boot and secondary variants, so that boot-time setup functions can be marked __init - repost of the COMPAT_VDSO patches with a bit more robustness from unknown DT_tags, and functions marked __init, since all this is boot-time only setup. Thanks, J --

...= k8.o obj-$(CONFIG_AUDIT) += audit.o +obj-$(CONFIG_PARAVIRT) += paravirt.o EXTRA_AFLAGS := -traditional =================================================================== --- a/arch/i386/kernel/asm-offsets.c +++ b/arch/i386/kernel/asm-offsets.c @@ -74,4 +74,11 @@ void foo(void) DEFINE(VDSO_PRELINK, VDSO_PRELINK); OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); +#ifdef CONFIG_PARAVIRT + OFFSET(PARAVIRT_irq_disable, paravirt_ops, irq_disable); + OFFSET(PARAVIRT_irq_enable, paravirt_ops, irq_enable); + OFFSET(PARAVIRT_irq_enable_sysexit, paravirt_ops, irq_enable_sysexit); + OFFSET(PAR...

...= k8.o obj-$(CONFIG_AUDIT) += audit.o +obj-$(CONFIG_PARAVIRT) += paravirt.o EXTRA_AFLAGS := -traditional =================================================================== --- a/arch/i386/kernel/asm-offsets.c +++ b/arch/i386/kernel/asm-offsets.c @@ -74,4 +74,11 @@ void foo(void) DEFINE(VDSO_PRELINK, VDSO_PRELINK); OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); +#ifdef CONFIG_PARAVIRT + OFFSET(PARAVIRT_irq_disable, paravirt_ops, irq_disable); + OFFSET(PARAVIRT_irq_enable, paravirt_ops, irq_enable); + OFFSET(PARAVIRT_irq_enable_sysexit, paravirt_ops, irq_enable_sysexit); + OFFSET(PAR...

...@ #include <asm/processor.h> #include <asm/thread_info.h> #include <asm/elf.h> +#include <asm/paravirt.h> #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) @@ -74,4 +75,11 @@ void foo(void) DEFINE(VDSO_PRELINK, VDSO_PRELINK); OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); +#ifdef CONFIG_PARAVIRT + OFFSET(PARAVIRT_irq_disable, paravirt_ops, irq_disable); + OFFSET(PARAVIRT_irq_enable, paravirt_ops, irq_enable); + OFFSET(PARAVIRT_irq_enable_sysexit, paravirt_ops, irq_enable_sysexit); + OFFSET(PAR...

This series updates the boot protocol to 2.07 and uses it to implement paravirtual booting. This allows the bootloader to tell the kernel what kind of hardware/pseudo-hardware environment it's coming up under, and the kernel can use the appropriate boot sequence code. Specifically: - Update the boot protocol to 2.07, which adds fields to specify the hardware subarchitecture and some

This series updates the boot protocol to 2.07 and uses it to implement paravirtual booting. This allows the bootloader to tell the kernel what kind of hardware/pseudo-hardware environment it's coming up under, and the kernel can use the appropriate boot sequence code. Specifically: - Update the boot protocol to 2.07, which adds fields to specify the hardware subarchitecture and some

This series updates the boot protocol to 2.07 and uses it to implement paravirtual booting. This allows the bootloader to tell the kernel what kind of hardware/pseudo-hardware environment it's coming up under, and the kernel can use the appropriate boot sequence code. Specifically: - Update the boot protocol to 2.07, which adds fields to specify the hardware subarchitecture and some

[ This patch depends on the cross-architecture ELF cleanup patch. ] This series updates the boot protocol to 2.07 and uses it to implement paravirtual booting. This allows the bootloader to tell the kernel what kind of hardware/pseudo-hardware environment it's coming up under, and the kernel can use the appropriate boot sequence code. Specifically: - Update the boot protocol to 2.07, which

[ This patch depends on the cross-architecture ELF cleanup patch. ] This series updates the boot protocol to 2.07 and uses it to implement paravirtual booting. This allows the bootloader to tell the kernel what kind of hardware/pseudo-hardware environment it's coming up under, and the kernel can use the appropriate boot sequence code. Specifically: - Update the boot protocol to 2.07, which

Hi Andi, This is a set of updates for the firstfloor patch queue. Quick rundown: revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch separate-module-percpu-space.patch Update the module percpu accounting patch fix-ff-allow-percpu-variables-to-be-page-aligned.patch Make sure the percpu memory allocation is page-aligned

Hi Andi, This is a set of updates for the firstfloor patch queue. Quick rundown: revert-mm-x86_64-mm-account-for-module-percpu-space-separately-from-kernel-percpu.patch separate-module-percpu-space.patch Update the module percpu accounting patch fix-ff-allow-percpu-variables-to-be-page-aligned.patch Make sure the percpu memory allocation is page-aligned

Unlike full virtualization in which the virtual machine provides the same platform interface as running natively on the hardware, paravirtualization requires modification to the guest operating system to work with the platform interface provided by the hypervisor. Xen was designed with performance in mind. Calls to the hypervisor are minimized, batched if necessary, and non-critical codepaths