diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 09:47:30 +0100 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-19 09:47:30 +0100 |
commit | 0d4a42f6bd298e826620585e766a154ab460617a (patch) | |
tree | 406d8f7778691d858dbe3e48e4bbb10e99c0a58a /arch/parisc/include/asm/compat_rt_sigframe.h | |
parent | d62b4892f3d9f7dd2002e5309be10719d6805b0f (diff) | |
parent | a937536b868b8369b98967929045f1df54234323 (diff) |
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes,
which depend upon the new for_each_sg_page introduce in
commit a321e91b6d73ed011ffceed384c40d2785cf723b
Author: Imre Deak <imre.deak@intel.com>
Date: Wed Feb 27 17:02:56 2013 -0800
lib/scatterlist: add simple page iterator
The merge itself is just two trivial conflicts:
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/parisc/include/asm/compat_rt_sigframe.h')
-rw-r--r-- | arch/parisc/include/asm/compat_rt_sigframe.h | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/arch/parisc/include/asm/compat_rt_sigframe.h b/arch/parisc/include/asm/compat_rt_sigframe.h deleted file mode 100644 index b3f95a7f18b4..000000000000 --- a/arch/parisc/include/asm/compat_rt_sigframe.h +++ /dev/null @@ -1,50 +0,0 @@ -#include <linux/compat.h> -#include <linux/compat_siginfo.h> -#include <asm/compat_ucontext.h> - -#ifndef _ASM_PARISC_COMPAT_RT_SIGFRAME_H -#define _ASM_PARISC_COMPAT_RT_SIGFRAME_H - -/* In a deft move of uber-hackery, we decide to carry the top half of all - * 64-bit registers in a non-portable, non-ABI, hidden structure. - * Userspace can read the hidden structure if it *wants* but is never - * guaranteed to be in the same place. Infact the uc_sigmask from the - * ucontext_t structure may push the hidden register file downards - */ -struct compat_regfile { - /* Upper half of all the 64-bit registers that were truncated - on a copy to a 32-bit userspace */ - compat_int_t rf_gr[32]; - compat_int_t rf_iasq[2]; - compat_int_t rf_iaoq[2]; - compat_int_t rf_sar; -}; - -#define COMPAT_SIGRETURN_TRAMP 4 -#define COMPAT_SIGRESTARTBLOCK_TRAMP 5 -#define COMPAT_TRAMP_SIZE (COMPAT_SIGRETURN_TRAMP + COMPAT_SIGRESTARTBLOCK_TRAMP) - -struct compat_rt_sigframe { - /* XXX: Must match trampoline size in arch/parisc/kernel/signal.c - Secondary to that it must protect the ERESTART_RESTARTBLOCK - trampoline we left on the stack (we were bad and didn't - change sp so we could run really fast.) */ - compat_uint_t tramp[COMPAT_TRAMP_SIZE]; - compat_siginfo_t info; - struct compat_ucontext uc; - /* Hidden location of truncated registers, *must* be last. */ - struct compat_regfile regs; -}; - -/* - * The 32-bit ABI wants at least 48 bytes for a function call frame: - * 16 bytes for arg0-arg3, and 32 bytes for magic (the only part of - * which Linux/parisc uses is sp-20 for the saved return pointer...) - * Then, the stack pointer must be rounded to a cache line (64 bytes). - */ -#define SIGFRAME32 64 -#define FUNCTIONCALLFRAME32 48 -#define PARISC_RT_SIGFRAME_SIZE32 \ - (((sizeof(struct compat_rt_sigframe) + FUNCTIONCALLFRAME32) + SIGFRAME32) & -SIGFRAME32) - -#endif |