Re: [patch V2 00/17] entry: Provide generic implementation for host and guest entry/exit work

Peter Zijlstra
2019-10-23T14:37:34Z

On Wed, Oct 23, 2019 at 02:27:05PM +0200, Thomas Gleixner wrote:
> /Makefile | 3
> arch/Kconfig | 3
> arch/x86/Kconfig | 1
> arch/x86/entry/calling.h | 12 +
> arch/x86/entry/common.c | 264 ++------------------------------
> arch/x86/entry/entry_32.S | 41 ----
> arch/x86/entry/entry_64.S | 32 ---
> arch/x86/entry/entry_64_compat.S | 30 ---
> arch/x86/include/asm/irqflags.h | 8
> arch/x86/include/asm/paravirt.h | 9 -
> arch/x86/include/asm/signal.h | 1
> arch/x86/include/asm/thread_info.h | 9 -
> arch/x86/kernel/signal.c | 2
> arch/x86/kernel/traps.c | 33 ++--
> arch/x86/kvm/x86.c | 17 --
> arch/x86/mm/fault.c | 7
> b/arch/x86/include/asm/entry-common.h | 104 ++++++++++++
> b/arch/x86/kvm/Kconfig | 1
> b/include/linux/entry-common.h | 280 ++++++++++++++++++++++++++++++++++
> b/kernel/entry/common.c | 184 ++++++++++++++++++++++
> include/linux/kvm_host.h | 64 +++++++
> kernel/Makefile | 1
> virt/kvm/Kconfig | 3
> 23 files changed, 735 insertions(+), 374 deletions(-)

This looks really nice; esp. the cleaned up interrupt state.

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>