Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (100 commits) ARM: Eliminate decompressor -Dstatic= PIC hack ARM: 5958/1: ARM: U300: fix inverted clk round rate ARM: 5956/1: misplaced parentheses ARM: 5955/1: ep93xx: move timer defines into core.c and document ARM: 5954/1: ep93xx: move gpio interrupt support to gpio.c ARM: 5953/1: ep93xx: fix broken build of clock.c ARM: 5952/1: ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig ARM: 5949/1: NUC900 add gpio virtual memory map ARM: 5948/1: Enable timer0 to time4 clock support for nuc910 ARM: 5940/2: ARM: MMCI: remove custom DBG macro and printk ARM: make_coherent(): fix problems with highpte, part 2 MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself ARM: 5945/1: ep93xx: include correct irq.h in core.c ARM: 5933/1: amba-pl011: support hardware flow control ARM: 5930/1: Add PKMAP area description to memory.txt. ARM: 5929/1: Add checks to detect overlap of memory regions. ARM: 5928/1: Change type of VMALLOC_END to unsigned long. ARM: 5927/1: Make delimiters of DMA area globally visibly. ARM: 5926/1: Add "Virtual kernel memory..." printout. ARM: 5920/1: OMAP4: Enable L2 Cache ... Fix up trivial conflict in arch/arm/mach-mx25/clock.c
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@@ -433,7 +433,11 @@ static inline void vfp_pm_init(void) { }
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* saved one. This function is used by the ptrace mechanism.
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*/
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#ifdef CONFIG_SMP
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void vfp_sync_state(struct thread_info *thread)
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void vfp_sync_hwstate(struct thread_info *thread)
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{
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}
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void vfp_flush_hwstate(struct thread_info *thread)
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{
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/*
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* On SMP systems, the VFP state is automatically saved at every
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@@ -444,35 +448,48 @@ void vfp_sync_state(struct thread_info *thread)
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thread->vfpstate.hard.cpu = NR_CPUS;
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}
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#else
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void vfp_sync_state(struct thread_info *thread)
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void vfp_sync_hwstate(struct thread_info *thread)
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{
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unsigned int cpu = get_cpu();
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u32 fpexc = fmrx(FPEXC);
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/*
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* If VFP is enabled, the previous state was already saved and
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* last_VFP_context updated.
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* If the thread we're interested in is the current owner of the
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* hardware VFP state, then we need to save its state.
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*/
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if (fpexc & FPEXC_EN)
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goto out;
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if (last_VFP_context[cpu] == &thread->vfpstate) {
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u32 fpexc = fmrx(FPEXC);
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if (!last_VFP_context[cpu])
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goto out;
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/*
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* Save the last VFP state on this CPU.
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*/
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fmxr(FPEXC, fpexc | FPEXC_EN);
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vfp_save_state(&thread->vfpstate, fpexc | FPEXC_EN);
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fmxr(FPEXC, fpexc);
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}
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put_cpu();
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}
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void vfp_flush_hwstate(struct thread_info *thread)
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{
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unsigned int cpu = get_cpu();
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/*
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* Save the last VFP state on this CPU.
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* If the thread we're interested in is the current owner of the
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* hardware VFP state, then we need to save its state.
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*/
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fmxr(FPEXC, fpexc | FPEXC_EN);
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vfp_save_state(last_VFP_context[cpu], fpexc);
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fmxr(FPEXC, fpexc);
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if (last_VFP_context[cpu] == &thread->vfpstate) {
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u32 fpexc = fmrx(FPEXC);
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/*
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* Set the context to NULL to force a reload the next time the thread
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* uses the VFP.
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*/
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last_VFP_context[cpu] = NULL;
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fmxr(FPEXC, fpexc & ~FPEXC_EN);
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/*
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* Set the context to NULL to force a reload the next time
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* the thread uses the VFP.
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*/
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last_VFP_context[cpu] = NULL;
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}
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out:
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put_cpu();
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}
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#endif
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