summaryrefslogtreecommitdiffstats
path: root/arch/xtensa
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2020-01-20 08:05:16 +0100
committerIngo Molnar <mingo@kernel.org>2020-01-20 08:05:16 +0100
commita786810cc864e31237a755b933e8872ba3e118bc (patch)
treef94bd068691d03be00b582fd2fdabe7ccff0f044 /arch/xtensa
parent4444f8541dad16fefd9b8807ad1451e806ef1d94 (diff)
parentdef9d2780727cec3313ed3522d0123158d87224d (diff)
downloadlinux-a786810cc864e31237a755b933e8872ba3e118bc.tar.bz2
Merge tag 'v5.5-rc7' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/Kconfig1
-rw-r--r--arch/xtensa/kernel/process.c8
2 files changed, 5 insertions, 4 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 4a3fa295d8fe..296c5324dace 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -24,6 +24,7 @@ config XTENSA
select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
select HAVE_ARCH_KASAN if MMU && !XIP_KERNEL
select HAVE_ARCH_TRACEHOOK
+ select HAVE_COPY_THREAD_TLS
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS
select HAVE_EXIT_THREAD
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 9e1c49134c07..3edecc41ef8c 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -202,8 +202,9 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
* involved. Much simpler to just not copy those live frames across.
*/
-int copy_thread(unsigned long clone_flags, unsigned long usp_thread_fn,
- unsigned long thread_fn_arg, struct task_struct *p)
+int copy_thread_tls(unsigned long clone_flags, unsigned long usp_thread_fn,
+ unsigned long thread_fn_arg, struct task_struct *p,
+ unsigned long tls)
{
struct pt_regs *childregs = task_pt_regs(p);
@@ -266,9 +267,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp_thread_fn,
childregs->syscall = regs->syscall;
- /* The thread pointer is passed in the '4th argument' (= a5) */
if (clone_flags & CLONE_SETTLS)
- childregs->threadptr = childregs->areg[5];
+ childregs->threadptr = tls;
} else {
p->thread.ra = MAKE_RA_FOR_CALL(
(unsigned long)ret_from_kernel_thread, 1);