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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-30 18:22:57 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-30 18:22:57 (GMT) |
| commit | 6e4c61968beb641e8372733e4a0c0cdee720e675 (patch) | |
| tree | 848d6a4433def2c1ecf307f19534cab63589e9bf /arch/powerpc/include | |
| parent | 67e0c1b037f8739a023c0129c1e0946defbaefb5 (diff) | |
| parent | f991db1cf1bdca43675b5d2df0af991719727029 (diff) | |
| download | linux-6e4c61968beb641e8372733e4a0c0cdee720e675.tar.xz | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
"A bit more endian problems found during testing of 3.13 and a few
other simple fixes and regressions fixes"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Fix alignment of secondary cpu spin vars
powerpc: Align p_end
powernv/eeh: Add buffer for P7IOC hub error data
powernv/eeh: Fix possible buffer overrun in ioda_eeh_phb_diag()
powerpc: Make 64-bit non-VMX __copy_tofrom_user bi-endian
powerpc: Make unaligned accesses endian-safe for powerpc
powerpc: Fix bad stack check in exception entry
powerpc/512x: dts: disable MPC5125 usb module
powerpc/512x: dts: remove misplaced IRQ spec from 'soc' node (5125)
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/exception-64s.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/unaligned.h | 7 |
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 894662a..243ce69 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -284,7 +284,7 @@ do_kvm_##n: \ subi r1,r1,INT_FRAME_SIZE; /* alloc frame on kernel stack */ \ beq- 1f; \ ld r1,PACAKSAVE(r13); /* kernel stack to use */ \ -1: cmpdi cr1,r1,0; /* check if r1 is in userspace */ \ +1: cmpdi cr1,r1,-INT_FRAME_SIZE; /* check if r1 is in userspace */ \ blt+ cr1,3f; /* abort if it is */ \ li r1,(n); /* will be reloaded later */ \ sth r1,PACA_TRAP_SAVE(r13); \ diff --git a/arch/powerpc/include/asm/unaligned.h b/arch/powerpc/include/asm/unaligned.h index 5f1b1e3..8296381 100644 --- a/arch/powerpc/include/asm/unaligned.h +++ b/arch/powerpc/include/asm/unaligned.h @@ -4,13 +4,18 @@ #ifdef __KERNEL__ /* - * The PowerPC can do unaligned accesses itself in big endian mode. + * The PowerPC can do unaligned accesses itself based on its endian mode. */ #include <linux/unaligned/access_ok.h> #include <linux/unaligned/generic.h> +#ifdef __LITTLE_ENDIAN__ +#define get_unaligned __get_unaligned_le +#define put_unaligned __put_unaligned_le +#else #define get_unaligned __get_unaligned_be #define put_unaligned __put_unaligned_be +#endif #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_UNALIGNED_H */ |