GHES: Carve out error queueing in a separate function
Make the handler more readable. No functionality change. Signed-off-by: Borislav Petkov <bp@suse.de>
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@ -797,6 +797,32 @@ static void ghes_print_queued_estatus(void)
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}
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}
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}
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}
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/* Save estatus for further processing in IRQ context */
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static void __process_error(struct ghes *ghes)
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{
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#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
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u32 len, node_len;
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struct ghes_estatus_node *estatus_node;
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struct acpi_hest_generic_status *estatus;
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if (ghes_estatus_cached(ghes->estatus))
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return;
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len = cper_estatus_len(ghes->estatus);
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node_len = GHES_ESTATUS_NODE_LEN(len);
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estatus_node = (void *)gen_pool_alloc(ghes_estatus_pool, node_len);
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if (!estatus_node)
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return;
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estatus_node->ghes = ghes;
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estatus_node->generic = ghes->generic;
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estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
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memcpy(estatus, ghes->estatus, len);
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llist_add(&estatus_node->llnode, &ghes_estatus_llist);
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#endif
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}
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static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
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static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
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{
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{
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struct ghes *ghes, *ghes_global = NULL;
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struct ghes *ghes, *ghes_global = NULL;
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@ -832,32 +858,13 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
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}
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}
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list_for_each_entry_rcu(ghes, &ghes_nmi, list) {
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list_for_each_entry_rcu(ghes, &ghes_nmi, list) {
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#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
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u32 len, node_len;
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struct ghes_estatus_node *estatus_node;
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struct acpi_hest_generic_status *estatus;
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#endif
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if (!(ghes->flags & GHES_TO_CLEAR))
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if (!(ghes->flags & GHES_TO_CLEAR))
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continue;
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continue;
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#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
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if (ghes_estatus_cached(ghes->estatus))
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__process_error(ghes);
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goto next;
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/* Save estatus for further processing in IRQ context */
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len = cper_estatus_len(ghes->estatus);
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node_len = GHES_ESTATUS_NODE_LEN(len);
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estatus_node = (void *)gen_pool_alloc(ghes_estatus_pool,
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node_len);
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if (estatus_node) {
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estatus_node->ghes = ghes;
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estatus_node->generic = ghes->generic;
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estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
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memcpy(estatus, ghes->estatus, len);
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llist_add(&estatus_node->llnode, &ghes_estatus_llist);
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}
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next:
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#endif
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ghes_clear_estatus(ghes);
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ghes_clear_estatus(ghes);
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}
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}
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#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
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#ifdef CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG
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irq_work_queue(&ghes_proc_irq_work);
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irq_work_queue(&ghes_proc_irq_work);
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#endif
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#endif
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