AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-21 23:01:04 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

microblaze: switch to copy_thread_tls()

Browse Source 
Use the copy_thread_tls() calling convention which passes tls through a
register. This is required so we can remove the copy_thread{_tls}() split
and remove the HAVE_COPY_THREAD_TLS macro.

Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2020-05-24 23:19:09 +02:00
parent 643d48b8e6
commit ad1bb82c05
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
2 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/microblaze/Kconfig
View File

@ -46,6 +46,7 @@ config MICROBLAZE
select CPU_NO_EFFICIENT_FFS select CPU_NO_EFFICIENT_FFS
select MMU_GATHER_NO_RANGE if MMU select MMU_GATHER_NO_RANGE if MMU
select SPARSE_IRQ select SPARSE_IRQ
select HAVE_COPY_THREAD_TLS
# Endianness selection # Endianness selection
choice choice

6
arch/microblaze/kernel/process.c
View File

@ -54,8 +54,8 @@ void flush_thread(void)
{ {
} }
int copy_thread(unsigned long clone_flags, unsigned long usp, int copy_thread_tls(unsigned long clone_flags, unsigned long usp,
unsigned long arg, struct task_struct *p) unsigned long arg, struct task_struct *p, unsigned long tls)
{ {
struct pt_regs *childregs = task_pt_regs(p); struct pt_regs *childregs = task_pt_regs(p);
struct thread_info *ti = task_thread_info(p); struct thread_info *ti = task_thread_info(p);
@ -114,7 +114,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
* which contains TLS area * which contains TLS area
*/ */
if (clone_flags & CLONE_SETTLS) if (clone_flags & CLONE_SETTLS)
childregs->r21 = childregs->r10; childregs->r21 = tls;
return 0; return 0;
} }