[0/5,v2] x86/sev-es: SEV-ES Fixes for v5.12
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Message ID 20210303141716.29223-1-joro@8bytes.org
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  • x86/sev-es: SEV-ES Fixes for v5.12
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Joerg Roedel March 3, 2021, 2:17 p.m. UTC
From: Joerg Roedel <jroedel@suse.de>


here are a couple of fixes for 5.12 in the SEV-ES guest support code.
Patches 1-3 have in a similar form already been posted, so this is v2.
The last two patches are new an arose from me running an SEV-ES guest
with more debugging features and instrumentation enabled.  I changed
the first patches according to the review comments I received.

Please review.



Joerg Roedel (5):
  x86/sev-es: Introduce ip_within_syscall_gap() helper
  x86/sev-es: Check if regs->sp is trusted before adjusting #VC IST
  x86/sev-es: Optimize __sev_es_ist_enter() for better readability
  x86/sev-es: Correctly track IRQ states in runtime #VC handler
  x86/sev-es: Use __copy_from_user_inatomic()

 arch/x86/entry/entry_64_compat.S |  2 +
 arch/x86/include/asm/insn-eval.h |  2 +
 arch/x86/include/asm/proto.h     |  1 +
 arch/x86/include/asm/ptrace.h    | 15 ++++++++
 arch/x86/kernel/sev-es.c         | 58 ++++++++++++++++++++--------
 arch/x86/kernel/traps.c          |  3 +-
 arch/x86/lib/insn-eval.c         | 66 +++++++++++++++++++++++++-------
 7 files changed, 114 insertions(+), 33 deletions(-)