diff options
Diffstat (limited to 'sparc64_fix_build_errors_with_gcc460.patch')
-rw-r--r-- | sparc64_fix_build_errors_with_gcc460.patch | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/sparc64_fix_build_errors_with_gcc460.patch b/sparc64_fix_build_errors_with_gcc460.patch deleted file mode 100644 index 807032c83..000000000 --- a/sparc64_fix_build_errors_with_gcc460.patch +++ /dev/null @@ -1,305 +0,0 @@ -From dbb988cf34a62e69c8863f212be212c6841004ba Mon Sep 17 00:00:00 2001 -From: David S. Miller <davem@davemloft.net> -Date: Sat, 26 Feb 2011 23:40:02 -0800 -Subject: [PATCH] sparc64: Fix build errors with gcc-4.6.0 - -Most of the warnings emitted (we fail arch/sparc file -builds with -Werror) were legitimate but harmless, however -one case (n2_pcr_write) was a genuine bug. - -Based almost entirely upon a patch by Sam Ravnborg. - -Reported-by: Dennis Gilmore <dennis@ausil.us> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - arch/sparc/kernel/iommu.c | 3 --- - arch/sparc/kernel/ldc.c | 28 ++++++++++++++++++---------- - arch/sparc/kernel/pci.c | 1 + - arch/sparc/kernel/pci_common.c | 11 +++++++---- - arch/sparc/kernel/pci_fire.c | 2 -- - arch/sparc/kernel/pci_schizo.c | 4 +--- - arch/sparc/kernel/pci_sun4v.c | 3 +-- - arch/sparc/kernel/pcr.c | 2 +- - arch/sparc/kernel/ptrace_64.c | 3 ++- - arch/sparc/kernel/smp_64.c | 11 ++++------- - arch/sparc/kernel/traps_64.c | 3 +-- - 11 files changed, 36 insertions(+), 35 deletions(-) - -diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c -index 72509d0..6f01e8c 100644 ---- a/arch/sparc/kernel/iommu.c -+++ b/arch/sparc/kernel/iommu.c -@@ -333,13 +333,10 @@ static void dma_4u_free_coherent(struct device *dev, size_t size, - void *cpu, dma_addr_t dvma) - { - struct iommu *iommu; -- iopte_t *iopte; - unsigned long flags, order, npages; - - npages = IO_PAGE_ALIGN(size) >> IO_PAGE_SHIFT; - iommu = dev->archdata.iommu; -- iopte = iommu->page_table + -- ((dvma - iommu->page_table_map_base) >> IO_PAGE_SHIFT); - - spin_lock_irqsave(&iommu->lock, flags); - -diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c -index df39a0f..732b0bc 100644 ---- a/arch/sparc/kernel/ldc.c -+++ b/arch/sparc/kernel/ldc.c -@@ -790,16 +790,20 @@ static void send_events(struct ldc_channel *lp, unsigned int event_mask) - static irqreturn_t ldc_rx(int irq, void *dev_id) - { - struct ldc_channel *lp = dev_id; -- unsigned long orig_state, hv_err, flags; -+ unsigned long orig_state, flags; - unsigned int event_mask; - - spin_lock_irqsave(&lp->lock, flags); - - orig_state = lp->chan_state; -- hv_err = sun4v_ldc_rx_get_state(lp->id, -- &lp->rx_head, -- &lp->rx_tail, -- &lp->chan_state); -+ -+ /* We should probably check for hypervisor errors here and -+ * reset the LDC channel if we get one. -+ */ -+ sun4v_ldc_rx_get_state(lp->id, -+ &lp->rx_head, -+ &lp->rx_tail, -+ &lp->chan_state); - - ldcdbg(RX, "RX state[0x%02lx:0x%02lx] head[0x%04lx] tail[0x%04lx]\n", - orig_state, lp->chan_state, lp->rx_head, lp->rx_tail); -@@ -904,16 +908,20 @@ out: - static irqreturn_t ldc_tx(int irq, void *dev_id) - { - struct ldc_channel *lp = dev_id; -- unsigned long flags, hv_err, orig_state; -+ unsigned long flags, orig_state; - unsigned int event_mask = 0; - - spin_lock_irqsave(&lp->lock, flags); - - orig_state = lp->chan_state; -- hv_err = sun4v_ldc_tx_get_state(lp->id, -- &lp->tx_head, -- &lp->tx_tail, -- &lp->chan_state); -+ -+ /* We should probably check for hypervisor errors here and -+ * reset the LDC channel if we get one. -+ */ -+ sun4v_ldc_tx_get_state(lp->id, -+ &lp->tx_head, -+ &lp->tx_tail, -+ &lp->chan_state); - - ldcdbg(TX, " TX state[0x%02lx:0x%02lx] head[0x%04lx] tail[0x%04lx]\n", - orig_state, lp->chan_state, lp->tx_head, lp->tx_tail); -diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c -index 4137579..f255382 100644 ---- a/arch/sparc/kernel/pci.c -+++ b/arch/sparc/kernel/pci.c -@@ -675,6 +675,7 @@ static void __devinit pci_bus_register_of_sysfs(struct pci_bus *bus) - * humanoid. - */ - err = sysfs_create_file(&dev->dev.kobj, &dev_attr_obppath.attr); -+ (void) err; - } - list_for_each_entry(child_bus, &bus->children, node) - pci_bus_register_of_sysfs(child_bus); -diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c -index 6c7a33a..6e3874b 100644 ---- a/arch/sparc/kernel/pci_common.c -+++ b/arch/sparc/kernel/pci_common.c -@@ -295,14 +295,17 @@ static int sun4v_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn, - unsigned int bus = bus_dev->number; - unsigned int device = PCI_SLOT(devfn); - unsigned int func = PCI_FUNC(devfn); -- unsigned long ret; - - if (config_out_of_range(pbm, bus, devfn, where)) { - /* Do nothing. */ - } else { -- ret = pci_sun4v_config_put(devhandle, -- HV_PCI_DEVICE_BUILD(bus, device, func), -- where, size, value); -+ /* We don't check for hypervisor errors here, but perhaps -+ * we should and influence our return value depending upon -+ * what kind of error is thrown. -+ */ -+ pci_sun4v_config_put(devhandle, -+ HV_PCI_DEVICE_BUILD(bus, device, func), -+ where, size, value); - } - return PCIBIOS_SUCCESSFUL; - } -diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c -index efb896d..75dfeb6 100644 ---- a/arch/sparc/kernel/pci_fire.c -+++ b/arch/sparc/kernel/pci_fire.c -@@ -214,11 +214,9 @@ static int pci_fire_msi_setup(struct pci_pbm_info *pbm, unsigned long msiqid, - - static int pci_fire_msi_teardown(struct pci_pbm_info *pbm, unsigned long msi) - { -- unsigned long msiqid; - u64 val; - - val = upa_readq(pbm->pbm_regs + MSI_MAP(msi)); -- msiqid = (val & MSI_MAP_EQNUM); - - val &= ~MSI_MAP_VALID; - -diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c -index 445a47a..4620eb7 100644 ---- a/arch/sparc/kernel/pci_schizo.c -+++ b/arch/sparc/kernel/pci_schizo.c -@@ -1313,7 +1313,7 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm, - const struct linux_prom64_registers *regs; - struct device_node *dp = op->dev.of_node; - const char *chipset_name; -- int is_pbm_a, err; -+ int err; - - switch (chip_type) { - case PBM_CHIP_TYPE_TOMATILLO: -@@ -1343,8 +1343,6 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm, - */ - regs = of_get_property(dp, "reg", NULL); - -- is_pbm_a = ((regs[0].phys_addr & 0x00700000) == 0x00600000); -- - pbm->next = pci_pbm_root; - pci_pbm_root = pbm; - -diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c -index 743344a..859abfd 100644 ---- a/arch/sparc/kernel/pci_sun4v.c -+++ b/arch/sparc/kernel/pci_sun4v.c -@@ -580,7 +580,7 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm) - { - static const u32 vdma_default[] = { 0x80000000, 0x80000000 }; - struct iommu *iommu = pbm->iommu; -- unsigned long num_tsb_entries, sz, tsbsize; -+ unsigned long num_tsb_entries, sz; - u32 dma_mask, dma_offset; - const u32 *vdma; - -@@ -596,7 +596,6 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm) - - dma_mask = (roundup_pow_of_two(vdma[1]) - 1UL); - num_tsb_entries = vdma[1] / IO_PAGE_SIZE; -- tsbsize = num_tsb_entries * sizeof(iopte_t); - - dma_offset = vdma[0]; - -diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c -index 7c2ced6..8ac23e6 100644 ---- a/arch/sparc/kernel/pcr.c -+++ b/arch/sparc/kernel/pcr.c -@@ -81,7 +81,7 @@ static void n2_pcr_write(u64 val) - unsigned long ret; - - ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val); -- if (val != HV_EOK) -+ if (ret != HV_EOK) - write_pcr(val); - } - -diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c -index 9ccc812..96ee50a 100644 ---- a/arch/sparc/kernel/ptrace_64.c -+++ b/arch/sparc/kernel/ptrace_64.c -@@ -1086,6 +1086,7 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) - - asmlinkage void syscall_trace_leave(struct pt_regs *regs) - { -+#ifdef CONFIG_AUDITSYSCALL - if (unlikely(current->audit_context)) { - unsigned long tstate = regs->tstate; - int result = AUDITSC_SUCCESS; -@@ -1095,7 +1096,7 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs) - - audit_syscall_exit(result, regs->u_regs[UREG_I0]); - } -- -+#endif - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_exit(regs, regs->u_regs[UREG_G1]); - -diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c -index 555a76d..3e94a8c 100644 ---- a/arch/sparc/kernel/smp_64.c -+++ b/arch/sparc/kernel/smp_64.c -@@ -189,7 +189,7 @@ static inline long get_delta (long *rt, long *master) - void smp_synchronize_tick_client(void) - { - long i, delta, adj, adjust_latency = 0, done = 0; -- unsigned long flags, rt, master_time_stamp, bound; -+ unsigned long flags, rt, master_time_stamp; - #if DEBUG_TICK_SYNC - struct { - long rt; /* roundtrip time */ -@@ -208,10 +208,8 @@ void smp_synchronize_tick_client(void) - { - for (i = 0; i < NUM_ROUNDS; i++) { - delta = get_delta(&rt, &master_time_stamp); -- if (delta == 0) { -+ if (delta == 0) - done = 1; /* let's lock on to this... */ -- bound = rt; -- } - - if (!done) { - if (i > 0) { -@@ -933,13 +931,12 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu) - void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - { - void *pg_addr; -- int this_cpu; - u64 data0; - - if (tlb_type == hypervisor) - return; - -- this_cpu = get_cpu(); -+ preempt_disable(); - - #ifdef CONFIG_DEBUG_DCFLUSH - atomic_inc(&dcpage_flushes); -@@ -964,7 +961,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - } - __local_flush_dcache_page(page); - -- put_cpu(); -+ preempt_enable(); - } - - void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) -diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c -index 42ad2ba..9456472 100644 ---- a/arch/sparc/kernel/traps_64.c -+++ b/arch/sparc/kernel/traps_64.c -@@ -2152,7 +2152,7 @@ static void user_instruction_dump(unsigned int __user *pc) - - void show_stack(struct task_struct *tsk, unsigned long *_ksp) - { -- unsigned long fp, thread_base, ksp; -+ unsigned long fp, ksp; - struct thread_info *tp; - int count = 0; - #ifdef CONFIG_FUNCTION_GRAPH_TRACER -@@ -2173,7 +2173,6 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) - flushw_all(); - - fp = ksp + STACK_BIAS; -- thread_base = (unsigned long) tp; - - printk("Call Trace:\n"); - do { --- -1.7.4.1 - |