linux/arch/x86/entry
Joerg Roedel 78a81d88f6 x86/sev-es: Introduce ip_within_syscall_gap() helper
Introduce a helper to check whether an exception came from the syscall
gap and use it in the SEV-ES code. Extend the check to also cover the
compatibility SYSCALL entry path.

Fixes: 315562c9af ("x86/sev-es: Adjust #VC IST Stack on entering NMI handler")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org # 5.10+
Link: https://lkml.kernel.org/r/20210303141716.29223-2-joro@8bytes.org
2021-03-08 14:22:17 +01:00
..
syscalls Kbuild updates for v5.12 2021-02-25 10:17:31 -08:00
vdso x86, vdso: disable LTO only for vDSO 2021-02-23 12:46:58 -08:00
vsyscall x86/mm: Convert mmu context ia32_compat into a proper flags field 2020-10-26 13:46:47 +01:00
calling.h x86/entry/64: Do not include inst.h in calling.h 2020-09-04 10:59:21 +02:00
common.c x86/entry: Fix entry/exit mismatch on failed fast 32-bit syscalls 2021-03-06 13:10:06 +01:00
entry_32.S xen: branch for v5.9-rc1b 2020-08-14 13:34:37 -07:00
entry_64_compat.S x86/sev-es: Introduce ip_within_syscall_gap() helper 2021-03-08 14:22:17 +01:00
entry_64.S Merge branch 'x86/paravirt' into x86/entry 2021-02-12 13:36:43 +01:00
Makefile x86/entry: Actually disable stack protector 2020-07-19 13:07:10 +02:00
syscall_32.c x86/entry: Drop asmlinkage from syscalls 2020-03-21 16:03:25 +01:00
syscall_64.c x86/entry: Drop asmlinkage from syscalls 2020-03-21 16:03:25 +01:00
syscall_x32.c mm: remove compat_process_vm_{readv,writev} 2020-10-03 00:02:15 -04:00
thunk_32.S x86/entry: Remove unused THUNKs 2020-08-26 12:41:54 +02:00
thunk_64.S x86/entry: Remove put_ret_addr_in_rdi THUNK macro argument 2021-01-19 11:06:14 +01:00