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authorBorislav Petkov <bp@suse.de>2021-03-15 10:49:00 +0100
committerBorislav Petkov <bp@suse.de>2021-03-15 10:49:00 +0100
commitaa7680f6fe21ba92c3d633e345f85d4125cd56f1 (patch)
tree238310342ae16eb5a2cdc9e032d972936cc3fe77 /arch/x86/entry
parentd0962f2b24c99889a386f0658c71535f56358f77 (diff)
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
downloadlinux-aa7680f6fe21ba92c3d633e345f85d4125cd56f1.tar.bz2
Merge tag 'v5.12-rc3' into x86/core
Pick up dependent SEV-ES urgent changes to base new work ontop. Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/entry')
-rw-r--r--arch/x86/entry/common.c3
-rw-r--r--arch/x86/entry/entry_64_compat.S2
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index a2433ae8a65e..4efd39aacb9f 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -128,7 +128,8 @@ static noinstr bool __do_fast_syscall_32(struct pt_regs *regs)
regs->ax = -EFAULT;
instrumentation_end();
- syscall_exit_to_user_mode(regs);
+ local_irq_disable();
+ irqentry_exit_to_user_mode(regs);
return false;
}
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index 541fdaf64045..0051cf5c792d 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -210,6 +210,8 @@ SYM_CODE_START(entry_SYSCALL_compat)
/* Switch to the kernel stack */
movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp
+SYM_INNER_LABEL(entry_SYSCALL_compat_safe_stack, SYM_L_GLOBAL)
+
/* Construct struct pt_regs on stack */
pushq $__USER32_DS /* pt_regs->ss */
pushq %r8 /* pt_regs->sp */