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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-16 12:03:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-16 12:03:25 -0700 |
| commit | 2896b80e002df4ab268577c1eb806d7f7ebaf95e (patch) | |
| tree | bb08d53768b9c45be82a6833e9b093e751690087 /arch/um/include | |
| parent | 48bddb143befb1dd93c0e5a66af62cfd60c86b04 (diff) | |
| parent | 6d20e6b235aad0be463b23588093b079362bb2e4 (diff) | |
| download | linux-2896b80e002df4ab268577c1eb806d7f7ebaf95e.tar.bz2 | |
Merge branch 'for-linus-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- minor improvements
- fixes for Debian's new gcc defaults (pie enabled by default)
- fixes for XSTATE/XSAVE to make UML work again on modern systems
* 'for-linus-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: return negative in tuntap_open_tramp()
um: remove a stray tab
um: Use relative modversions with LD_SCRIPT_DYN
um: link vmlinux with -no-pie
um: Fix CONFIG_GCOV for modules.
Fix minor typos and grammar in UML start_up help
um: defconfig: Cleanup from old Kconfig options
um: Fix FP register size for XSTATE/XSAVE
Diffstat (limited to 'arch/um/include')
| -rw-r--r-- | arch/um/include/asm/thread_info.h | 3 | ||||
| -rw-r--r-- | arch/um/include/shared/os.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h index 053baff03674..9300f7630d2a 100644 --- a/arch/um/include/asm/thread_info.h +++ b/arch/um/include/asm/thread_info.h @@ -11,6 +11,7 @@ #include <asm/types.h> #include <asm/page.h> #include <asm/segment.h> +#include <sysdep/ptrace_user.h> struct thread_info { struct task_struct *task; /* main task structure */ @@ -22,6 +23,8 @@ struct thread_info { 0-0xBFFFFFFF for user 0-0xFFFFFFFF for kernel */ struct thread_info *real_thread; /* Points to non-IRQ stack */ + unsigned long aux_fp_regs[FP_SIZE]; /* auxiliary fp_regs to save/restore + them out-of-band */ }; #define INIT_THREAD_INFO(tsk) \ diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index 574e03fc7ba2..d8ddaf9790d2 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -278,7 +278,7 @@ extern int protect(struct mm_id * mm_idp, unsigned long addr, extern int is_skas_winch(int pid, int fd, void *data); extern int start_userspace(unsigned long stub_stack); extern int copy_context_skas0(unsigned long stack, int pid); -extern void userspace(struct uml_pt_regs *regs); +extern void userspace(struct uml_pt_regs *regs, unsigned long *aux_fp_regs); extern int map_stub_pages(int fd, unsigned long code, unsigned long data, unsigned long stack); extern void new_thread(void *stack, jmp_buf *buf, void (*handler)(void)); |