diff options
| -rw-r--r-- | arch/x86/kernel/signal_32.c | 9 | ||||
| -rw-r--r-- | arch/x86/kernel/signal_64.c | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c index b94463f264b4..bb05917f232c 100644 --- a/arch/x86/kernel/signal_32.c +++ b/arch/x86/kernel/signal_32.c @@ -550,6 +550,15 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, if (ret) return ret; +#ifdef CONFIG_X86_64 + /* + * This has nothing to do with segment registers, + * despite the name. This magic affects uaccess.h + * macros' behavior. Reset it to the normal setting. + */ + set_fs(USER_DS); +#endif + /* * Clear the direction flag as per the ABI for function entry. */ diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index 9087752f4109..963236f2c3c1 100644 --- a/arch/x86/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c @@ -346,12 +346,14 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, if (ret) return ret; +#ifdef CONFIG_X86_64 /* * This has nothing to do with segment registers, * despite the name. This magic affects uaccess.h * macros' behavior. Reset it to the normal setting. */ set_fs(USER_DS); +#endif /* * Clear the direction flag as per the ABI for function entry. |