search for: wakeup_64

...ode to use only relative references of symbols for the > kernel to be PIE compatible. > > Position Independent Executable (PIE) support will allow to extended the > KASLR randomization range below the -2G memory limit. What testing did this get? > diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S > index 50b8ed0317a3..472659c0f811 100644 > --- a/arch/x86/kernel/acpi/wakeup_64.S > +++ b/arch/x86/kernel/acpi/wakeup_64.S > @@ -14,7 +14,7 @@ > * Hooray, we are in Long 64-bit mode (but still running in low memory) > */ > ENTRY(wake...

...ode to use only relative references of symbols for the > kernel to be PIE compatible. > > Position Independent Executable (PIE) support will allow to extended the > KASLR randomization range below the -2G memory limit. What testing did this get? > diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S > index 50b8ed0317a3..472659c0f811 100644 > --- a/arch/x86/kernel/acpi/wakeup_64.S > +++ b/arch/x86/kernel/acpi/wakeup_64.S > @@ -14,7 +14,7 @@ > * Hooray, we are in Long 64-bit mode (but still running in low memory) > */ > ENTRY(wake...

...Tested boot, hibernation and performance on qemu and dedicated machine. Well, this is suspend, not hibernation code. So "sudo pm-suspend" or "echo mem > /sys/power/state" would be good way to test this. Thanks, Pavel > > > diff --git a/arch/x86/kernel/acpi/wakeup_64.S > b/arch/x86/kernel/acpi/wakeup_64.S > > > index 50b8ed0317a3..472659c0f811 100644 > > > --- a/arch/x86/kernel/acpi/wakeup_64.S > > > +++ b/arch/x86/kernel/acpi/wakeup_64.S > > > @@ -14,7 +14,7 @@ > > > * Hooray, we are in Long 64-bit mode (b...

...Tested boot, hibernation and performance on qemu and dedicated machine. Well, this is suspend, not hibernation code. So "sudo pm-suspend" or "echo mem > /sys/power/state" would be good way to test this. Thanks, Pavel > > > diff --git a/arch/x86/kernel/acpi/wakeup_64.S > b/arch/x86/kernel/acpi/wakeup_64.S > > > index 50b8ed0317a3..472659c0f811 100644 > > > --- a/arch/x86/kernel/acpi/wakeup_64.S > > > +++ b/arch/x86/kernel/acpi/wakeup_64.S > > > @@ -14,7 +14,7 @@ > > > * Hooray, we are in Long 64-bit mode (b...

...ode to use only relative references of symbols for the kernel to be PIE compatible. Position Independent Executable (PIE) support will allow to extended the KASLR randomization range below the -2G memory limit. Signed-off-by: Thomas Garnier <thgarnie at google.com> --- arch/x86/kernel/acpi/wakeup_64.S | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S index 50b8ed0317a3..472659c0f811 100644 --- a/arch/x86/kernel/acpi/wakeup_64.S +++ b/arch/x86/kernel/acpi/wakeup_64.S @@ -14,7...

...> > Position Independent Executable (PIE) support will allow to extended the > > KASLR randomization range below the -2G memory limit. > What testing did this get? Tested boot, hibernation and performance on qemu and dedicated machine. > > diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S > > index 50b8ed0317a3..472659c0f811 100644 > > --- a/arch/x86/kernel/acpi/wakeup_64.S > > +++ b/arch/x86/kernel/acpi/wakeup_64.S > > @@ -14,7 +14,7 @@ > > * Hooray, we are in Long 64-bit mode (but still running in low memory...

...spend" or "echo mem > /sys/power/state" would be good > way to test this. Thanks, it worked. I added this to the testsuite I use for KASLR. > Thanks, > Pavel > > > > diff --git a/arch/x86/kernel/acpi/wakeup_64.S > > b/arch/x86/kernel/acpi/wakeup_64.S > > > > index 50b8ed0317a3..472659c0f811 100644 > > > > --- a/arch/x86/kernel/acpi/wakeup_64.S > > > > +++ b/arch/x86/kernel/acpi/wakeup_64.S > > > > @@ -14,7 +14,7 @@ > > > > * Hooray,...

...ntry/entry_64.S | 16 ++++-- include/asm/alternative.h | 6 +- include/asm/asm.h | 1 include/asm/paravirt_types.h | 25 +++++++-- include/asm/pm-trace.h | 2 include/asm/processor.h | 6 +- kernel/acpi/wakeup_64.S | 31 ++++++----- kernel/head_64.S | 16 +++--- kernel/relocate_kernel_64.S | 2 power/hibernate_asm_64.S | 4 - 29 files changed, 306 insertions(+), 213 deletions(-) Patchset is based on next-20190708.

...ntry/entry_64.S | 16 ++++-- include/asm/alternative.h | 6 +- include/asm/asm.h | 1 include/asm/paravirt_types.h | 25 +++++++-- include/asm/pm-trace.h | 2 include/asm/processor.h | 6 +- kernel/acpi/wakeup_64.S | 31 ++++++----- kernel/head_64.S | 16 +++--- kernel/relocate_kernel_64.S | 2 power/hibernate_asm_64.S | 4 - 29 files changed, 306 insertions(+), 213 deletions(-) Patchset is based on next-20190708.

...| 16 ++++-- > include/asm/alternative.h | 6 +- > include/asm/asm.h | 1 > include/asm/paravirt_types.h | 25 +++++++-- > include/asm/pm-trace.h | 2 > include/asm/processor.h | 6 +- > kernel/acpi/wakeup_64.S | 31 ++++++----- > kernel/head_64.S | 16 +++--- > kernel/relocate_kernel_64.S | 2 > power/hibernate_asm_64.S | 4 - > 29 files changed, 306 insertions(+), 213 deletions(-) > > Patchset is based on next-20190708. &g...

...kip_eferw: +#endif + + wbinvd + + mov $0x80050033,%eax /* hi-to-lo: PG,AM,WP,NE,ET,MP,PE */ + mov %eax,%cr0 + jmp 1f +1: + +#if defined(__x86_64__) + + /* Now in compatibility mode. Long-jump to 64-bit mode */ + ljmp $BOOT_CS64, $bootsym_phys(wakeup_64) + + .code64 + .align 8 + .word 0,0,0 +lgdt_descr: + .word LAST_RESERVED_GDT_BYTE + .quad gdt_table - FIRST_RESERVED_GDT_BYTE + +wakeup_64: + lgdt lgdt_descr(%rip) + mov $(__HYPERVISOR_DS64), %eax + mov %eax, %ds + +...

...+++-- include/asm/alternative.h | 6 +- include/asm/asm.h | 1 include/asm/jump_label.h | 8 +-- include/asm/paravirt_types.h | 12 +++- include/asm/pm-trace.h | 2 include/asm/processor.h | 6 +- kernel/acpi/wakeup_64.S | 31 ++++++----- kernel/head_64.S | 16 +++--- kernel/relocate_kernel_64.S | 2 power/hibernate_asm_64.S | 4 - 29 files changed, 299 insertions(+), 217 deletions(-) Patchset is based on next-20190515.

...| 2 >> arch/x86/include/asm/processor.h | 12 + >> arch/x86/include/asm/sections.h | 8 + >> arch/x86/include/asm/setup.h | 2 >> arch/x86/include/asm/stackprotector.h | 19 ++ >> arch/x86/kernel/acpi/wakeup_64.S | 31 ++-- >> arch/x86/kernel/asm-offsets.c | 3 >> arch/x86/kernel/asm-offsets_32.c | 3 >> arch/x86/kernel/asm-offsets_64.c | 3 >> arch/x86/kernel/cpu/common.c | 7 - >> arch/x86...

...| 2 >> arch/x86/include/asm/processor.h | 12 + >> arch/x86/include/asm/sections.h | 8 + >> arch/x86/include/asm/setup.h | 2 >> arch/x86/include/asm/stackprotector.h | 19 ++ >> arch/x86/kernel/acpi/wakeup_64.S | 31 ++-- >> arch/x86/kernel/asm-offsets.c | 3 >> arch/x86/kernel/asm-offsets_32.c | 3 >> arch/x86/kernel/asm-offsets_64.c | 3 >> arch/x86/kernel/cpu/common.c | 7 - >> arch/x86...

...2 arch/x86/include/asm/processor.h | 16 +- arch/x86/include/asm/sections.h | 8 + arch/x86/include/asm/setup.h | 2 arch/x86/include/asm/stackprotector.h | 19 ++ arch/x86/kernel/Makefile | 6 arch/x86/kernel/acpi/wakeup_64.S | 31 ++-- arch/x86/kernel/asm-offsets.c | 3 arch/x86/kernel/asm-offsets_32.c | 3 arch/x86/kernel/asm-offsets_64.c | 3 arch/x86/kernel/cpu/common.c | 3 arch/x86/kernel/cpu/microcode/core.c | 4 ar...

...-trace.h | 2 > arch/x86/include/asm/processor.h | 12 + > arch/x86/include/asm/sections.h | 8 + > arch/x86/include/asm/setup.h | 2 > arch/x86/include/asm/stackprotector.h | 19 ++ > arch/x86/kernel/acpi/wakeup_64.S | 31 ++-- > arch/x86/kernel/asm-offsets.c | 3 > arch/x86/kernel/asm-offsets_32.c | 3 > arch/x86/kernel/asm-offsets_64.c | 3 > arch/x86/kernel/cpu/common.c | 7 - > arch/x86/kernel/cpu/microcod...

...arch/x86/include/asm/processor.h | 12 + >>> arch/x86/include/asm/sections.h | 8 + >>> arch/x86/include/asm/setup.h | 2 >>> arch/x86/include/asm/stackprotector.h | 19 ++ >>> arch/x86/kernel/acpi/wakeup_64.S | 31 ++-- >>> arch/x86/kernel/asm-offsets.c | 3 >>> arch/x86/kernel/asm-offsets_32.c | 3 >>> arch/x86/kernel/asm-offsets_64.c | 3 >>> arch/x86/kernel/cpu/common.c | 7 -...

...2 arch/x86/include/asm/processor.h | 16 +- arch/x86/include/asm/sections.h | 8 + arch/x86/include/asm/setup.h | 2 arch/x86/include/asm/stackprotector.h | 19 ++ arch/x86/kernel/Makefile | 6 arch/x86/kernel/acpi/wakeup_64.S | 31 ++-- arch/x86/kernel/asm-offsets.c | 3 arch/x86/kernel/asm-offsets_32.c | 3 arch/x86/kernel/asm-offsets_64.c | 3 arch/x86/kernel/cpu/common.c | 3 arch/x86/kernel/cpu/microcode/core.c | 4 ar...

...y/entry_64.S | 16 ++++-- include/asm/alternative.h | 6 +- include/asm/asm.h | 1 include/asm/paravirt_types.h | 32 ++++++++++-- include/asm/pm-trace.h | 2 include/asm/processor.h | 6 +- kernel/acpi/wakeup_64.S | 31 ++++++----- kernel/head_64.S | 15 +++-- kernel/relocate_kernel_64.S | 2 power/hibernate_asm_64.S | 4 - 23 files changed, 267 insertions(+), 181 deletions(-) Patchset is based on next-20191203.

...y/entry_64.S | 16 ++++-- include/asm/alternative.h | 6 +- include/asm/asm.h | 1 include/asm/paravirt_types.h | 32 ++++++++++-- include/asm/pm-trace.h | 2 include/asm/processor.h | 6 +- kernel/acpi/wakeup_64.S | 31 ++++++----- kernel/head_64.S | 15 +++-- kernel/relocate_kernel_64.S | 2 power/hibernate_asm_64.S | 4 - 23 files changed, 267 insertions(+), 181 deletions(-) Patchset is based on next-20191203.