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author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-09-09 16:34:41 +0100 |
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committer | Russell King <rmk+kernel@armlinux.org.uk> | 2017-09-09 16:34:41 +0100 |
commit | e558bdc21ae1f0db520eccd84015e17d8a589973 (patch) | |
tree | b436123bd52f267b8c7f361618cded3e1e4421ea /arch/arm64/kernel/process.c | |
parent | 746a272e44141af24a02f6c9b0f65f4c4598ed42 (diff) | |
parent | 9a3dc3186fc3795e076a4122da9e0258651a9631 (diff) | |
download | op-kernel-dev-e558bdc21ae1f0db520eccd84015e17d8a589973.zip op-kernel-dev-e558bdc21ae1f0db520eccd84015e17d8a589973.tar.gz |
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'arch/arm64/kernel/process.c')
-rw-r--r-- | arch/arm64/kernel/process.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index ae2a835..659ae80 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -210,6 +210,7 @@ void __show_regs(struct pt_regs *regs) void show_regs(struct pt_regs * regs) { __show_regs(regs); + dump_backtrace(regs, NULL); } static void tls_thread_flush(void) @@ -297,12 +298,16 @@ int copy_thread(unsigned long clone_flags, unsigned long stack_start, return 0; } +void tls_preserve_current_state(void) +{ + *task_user_tls(current) = read_sysreg(tpidr_el0); +} + static void tls_thread_switch(struct task_struct *next) { unsigned long tpidr, tpidrro; - tpidr = read_sysreg(tpidr_el0); - *task_user_tls(current) = tpidr; + tls_preserve_current_state(); tpidr = *task_user_tls(next); tpidrro = is_compat_thread(task_thread_info(next)) ? |