diff options
| author | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-02-03 15:32:45 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-02-03 15:32:45 -0200 |
| commit | c29b8f3149f2916e98fc3b8d6c1df2137d003979 (patch) | |
| tree | af6b4e876c732daaafb59781836bfce9715d21c2 /arch/powerpc/lib/code-patching.c | |
| parent | 587d1b06e07b4a079453c74ba9edf17d21931049 (diff) | |
| parent | 38dbfb59d1175ef458d006556061adeaa8751b72 (diff) | |
Merge tag 'v3.14-rc1' into patchwork
Linus 3.14-rc1
* tag 'v3.14-rc1': (11781 commits)
Linus 3.14-rc1
hpfs: optimize quad buffer loading
hpfs: remember free space
parisc: add flexible mmap memory layout support
parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc
parisc: convert uapi/asm/stat.h to use native types only
parisc: wire up sched_setattr and sched_getattr
parisc: fix cache-flushing
parisc/sti_console: prefer Linux fonts over built-in ROM fonts
hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors
hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors
tools/power turbostat: introduce -s to dump counters
tools/power turbostat: remove unused command line option
afs: proc cells and rootcell are writeable
tile: remove compat_sys_lookup_dcookie declaration to fix compile error
Revert "PCI: Remove from bus_list and release resources in pci_release_dev()"
ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA
ARM: multi_v7_defconfig: add mvebu drivers
clocksource: kona: Add basic use of external clock
drivers: bus: fix CCI driver kcalloc call parameters swap
...
Diffstat (limited to 'arch/powerpc/lib/code-patching.c')
| -rw-r--r-- | arch/powerpc/lib/code-patching.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index 17e5b236431..d5edbeb8eb8 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -159,6 +159,21 @@ unsigned int translate_branch(const unsigned int *dest, const unsigned int *src) return 0; } +#ifdef CONFIG_PPC_BOOK3E_64 +void __patch_exception(int exc, unsigned long addr) +{ + extern unsigned int interrupt_base_book3e; + unsigned int *ibase = &interrupt_base_book3e; + + /* Our exceptions vectors start with a NOP and -then- a branch + * to deal with single stepping from userspace which stops on + * the second instruction. Thus we need to patch the second + * instruction of the exception, not the first one + */ + + patch_branch(ibase + (exc / 4) + 1, addr, 0); +} +#endif #ifdef CONFIG_CODE_PATCHING_SELFTEST |