Messages in this thread | | | From | Andy Lutomirski <> | Subject | [PATCH 00/18] Pile o' entry/exit/sp0 changes | Date | Thu, 26 Oct 2017 01:26:32 -0700 |
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Hi all-
Here's the first "real" version of this series. It's based on Linus' tree from a couple days ago.
Changes from the old RFC version: - Rebase - Add Juergen's patch - Add some assertions - Cleanups
Andy Lutomirski (17): x86/asm/64: Remove the restore_c_regs_and_iret label x86/asm/64: Split the iret-to-user and iret-to-kernel paths x86/asm/64: Move SWAPGS into the common iret-to-usermode path x86/asm/64: Simplify reg restore code in the standard IRET paths x86/asm/64: Shrink paranoid_exit_restore and make labels local x86/asm/64: Use pop instead of movq in syscall_return_via_sysret x86/asm/64: Merge the fast and slow SYSRET paths x86/asm/64: De-Xen-ify our NMI code x86/asm/32: Pull MSR_IA32_SYSENTER_CS update code out of native_load_sp0() x86/asm/64: Pass sp0 directly to load_sp0() x86/asm: Add task_top_of_stack() to find the top of a task's stack x86/xen/64: Clean up SP code in cpu_initialize_context() x86/boot/64: Stop initializing TSS.sp0 at boot x86/asm/64: Remove all remaining direct thread_struct::sp0 reads x86/boot/32: Fix cpu_current_top_of_stack initialization at boot x86/asm/64: Remove thread_struct::sp0 x86/traps: Use a new on_thread_stack() helper to clean up an assertion
Juergen Gross (1): xen: add xen nmi trap entry
arch/x86/entry/calling.h | 21 ++++++ arch/x86/entry/entry_64.S | 120 +++++++++++++++++++--------------- arch/x86/entry/entry_64_compat.S | 3 +- arch/x86/include/asm/compat.h | 1 + arch/x86/include/asm/paravirt.h | 5 +- arch/x86/include/asm/paravirt_types.h | 2 +- arch/x86/include/asm/processor.h | 57 ++++++++-------- arch/x86/include/asm/switch_to.h | 23 +++++++ arch/x86/include/asm/traps.h | 2 +- arch/x86/kernel/cpu/common.c | 12 +++- arch/x86/kernel/head_64.S | 2 +- arch/x86/kernel/process.c | 3 +- arch/x86/kernel/process_32.c | 3 +- arch/x86/kernel/process_64.c | 5 +- arch/x86/kernel/smpboot.c | 3 +- arch/x86/kernel/traps.c | 3 +- arch/x86/kernel/vm86_32.c | 20 +++--- arch/x86/xen/enlighten_pv.c | 9 ++- arch/x86/xen/smp_pv.c | 17 ++++- arch/x86/xen/xen-asm_64.S | 2 +- 20 files changed, 195 insertions(+), 118 deletions(-)
-- 2.13.6
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