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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-09 20:19:13 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-09 20:19:13 +0300 |
| commit | dcf3c935dd9e8e76c9922e88672fa4ad6a8a4df8 (patch) | |
| tree | f8ce3ab321c70b666e14ed145faacc8b3c0ea82c /arch/um/include/shared/longjmp.h | |
| parent | 7a400bf28334fc7734639db3566394e1fc80670c (diff) | |
| parent | 1aee020155f364ef538370d3392969f1077b9bae (diff) | |
| download | linux-dcf3c935dd9e8e76c9922e88672fa4ad6a8a4df8.tar.xz | |
Merge tag 'for-linus-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- Support for optimized routines based on the host CPU
- Support for PCI via virtio
- Various fixes
* tag 'for-linus-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: remove unneeded semicolon in um_arch.c
um: Remove the repeated declaration
um: fix error return code in winch_tramp()
um: fix error return code in slip_open()
um: Fix stack pointer alignment
um: implement flush_cache_vmap/flush_cache_vunmap
um: add a UML specific futex implementation
um: enable the use of optimized xor routines in UML
um: Add support for host CPU flags and alignment
um: allow not setting extra rpaths in the linux binary
um: virtio/pci: enable suspend/resume
um: add PCI over virtio emulation driver
um: irqs: allow invoking time-travel handler multiple times
um: time-travel/signals: fix ndelay() in interrupt
um: expose time-travel mode to userspace side
um: export signals_enabled directly
um: remove unused smp_sigio_handler() declaration
lib: add iomem emulation (logic_iomem)
um: allow disabling NO_IOMEM
Diffstat (limited to 'arch/um/include/shared/longjmp.h')
| -rw-r--r-- | arch/um/include/shared/longjmp.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h index 85a1cc290ecb..bdb2869b72b3 100644 --- a/arch/um/include/shared/longjmp.h +++ b/arch/um/include/shared/longjmp.h @@ -5,6 +5,7 @@ #include <sysdep/archsetjmp.h> #include <os.h> +extern int signals_enabled; extern int setjmp(jmp_buf); extern void longjmp(jmp_buf, int); @@ -12,13 +13,12 @@ extern void longjmp(jmp_buf, int); longjmp(*buf, val); \ } while(0) -#define UML_SETJMP(buf) ({ \ - int n; \ - volatile int enable; \ - enable = get_signals(); \ - n = setjmp(*buf); \ - if(n != 0) \ - set_signals_trace(enable); \ +#define UML_SETJMP(buf) ({ \ + int n, enable; \ + enable = *(volatile int *)&signals_enabled; \ + n = setjmp(*buf); \ + if(n != 0) \ + set_signals_trace(enable); \ n; }) #endif |