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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Dimitri Sivanich <sivanich@hpe.com>,
	linux-hyperv@vger.kernel.org, Steve Wahl <steve.wahl@hpe.com>,
	linux-pci@vger.kernel.org, "K. Y. Srinivasan" <kys@microsoft.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Wei Liu <wei.liu@kernel.org>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Baolu Lu <baolu.lu@intel.com>, Marc Zyngier <maz@kernel.org>,
	x86@kernel.org, Jason Gunthorpe <jgg@mellanox.com>,
	Megha Dey <megha.dey@intel.com>,
	xen-devel@lists.xenproject.org, Kevin Tian <kevin.tian@intel.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Jonathan Derrick <jonathan.derrick@intel.com>,
	Juergen Gross <jgross@suse.com>, Russ Anderson <rja@hpe.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	iommu@lists.linux-foundation.org,
	Jacob Pan <jacob.jun.pan@intel.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Subject: [patch RFC 02/38] x86/init: Remove unused init ops
Date: Fri, 21 Aug 2020 02:24:26 +0200	[thread overview]
Message-ID: <20200821002945.441137487@linutronix.de> (raw)
In-Reply-To: 20200821002424.119492231@linutronix.de

[-- Attachment #1: x86-init--Remove-unused-init-ops.patch --]
[-- Type: text/plain, Size: 5159 bytes --]

Some past platform removal forgot to get rid of this unused ballast.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/include/asm/mpspec.h   |   10 ----------
 arch/x86/include/asm/x86_init.h |   10 ----------
 arch/x86/kernel/mpparse.c       |   26 ++++----------------------
 arch/x86/kernel/x86_init.c      |    4 ----
 4 files changed, 4 insertions(+), 46 deletions(-)

--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -67,21 +67,11 @@ static inline void find_smp_config(void)
 #ifdef CONFIG_X86_MPPARSE
 extern void e820__memblock_alloc_reserved_mpc_new(void);
 extern int enable_update_mptable;
-extern int default_mpc_apic_id(struct mpc_cpu *m);
-extern void default_smp_read_mpc_oem(struct mpc_table *mpc);
-# ifdef CONFIG_X86_IO_APIC
-extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
-# else
-#  define default_mpc_oem_bus_info NULL
-# endif
 extern void default_find_smp_config(void);
 extern void default_get_smp_config(unsigned int early);
 #else
 static inline void e820__memblock_alloc_reserved_mpc_new(void) { }
 #define enable_update_mptable 0
-#define default_mpc_apic_id NULL
-#define default_smp_read_mpc_oem NULL
-#define default_mpc_oem_bus_info NULL
 #define default_find_smp_config x86_init_noop
 #define default_get_smp_config x86_init_uint_noop
 #endif
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -11,22 +11,12 @@ struct cpuinfo_x86;
 
 /**
  * struct x86_init_mpparse - platform specific mpparse ops
- * @mpc_record:			platform specific mpc record accounting
  * @setup_ioapic_ids:		platform specific ioapic id override
- * @mpc_apic_id:		platform specific mpc apic id assignment
- * @smp_read_mpc_oem:		platform specific oem mpc table setup
- * @mpc_oem_pci_bus:		platform specific pci bus setup (default NULL)
- * @mpc_oem_bus_info:		platform specific mpc bus info
  * @find_smp_config:		find the smp configuration
  * @get_smp_config:		get the smp configuration
  */
 struct x86_init_mpparse {
-	void (*mpc_record)(unsigned int mode);
 	void (*setup_ioapic_ids)(void);
-	int (*mpc_apic_id)(struct mpc_cpu *m);
-	void (*smp_read_mpc_oem)(struct mpc_table *mpc);
-	void (*mpc_oem_pci_bus)(struct mpc_bus *m);
-	void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
 	void (*find_smp_config)(void);
 	void (*get_smp_config)(unsigned int early);
 };
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -46,11 +46,6 @@ static int __init mpf_checksum(unsigned
 	return sum & 0xFF;
 }
 
-int __init default_mpc_apic_id(struct mpc_cpu *m)
-{
-	return m->apicid;
-}
-
 static void __init MP_processor_info(struct mpc_cpu *m)
 {
 	int apicid;
@@ -61,7 +56,7 @@ static void __init MP_processor_info(str
 		return;
 	}
 
-	apicid = x86_init.mpparse.mpc_apic_id(m);
+	apicid = m->apicid;
 
 	if (m->cpuflag & CPU_BOOTPROCESSOR) {
 		bootup_cpu = " (Bootup-CPU)";
@@ -73,7 +68,7 @@ static void __init MP_processor_info(str
 }
 
 #ifdef CONFIG_X86_IO_APIC
-void __init default_mpc_oem_bus_info(struct mpc_bus *m, char *str)
+static void __init mpc_oem_bus_info(struct mpc_bus *m, char *str)
 {
 	memcpy(str, m->bustype, 6);
 	str[6] = 0;
@@ -84,7 +79,7 @@ static void __init MP_bus_info(struct mp
 {
 	char str[7];
 
-	x86_init.mpparse.mpc_oem_bus_info(m, str);
+	mpc_oem_bus_info(m, str);
 
 #if MAX_MP_BUSSES < 256
 	if (m->busid >= MAX_MP_BUSSES) {
@@ -100,9 +95,6 @@ static void __init MP_bus_info(struct mp
 		mp_bus_id_to_type[m->busid] = MP_BUS_ISA;
 #endif
 	} else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI) - 1) == 0) {
-		if (x86_init.mpparse.mpc_oem_pci_bus)
-			x86_init.mpparse.mpc_oem_pci_bus(m);
-
 		clear_bit(m->busid, mp_bus_not_pci);
 #ifdef CONFIG_EISA
 		mp_bus_id_to_type[m->busid] = MP_BUS_PCI;
@@ -198,8 +190,6 @@ static void __init smp_dump_mptable(stru
 			1, mpc, mpc->length, 1);
 }
 
-void __init default_smp_read_mpc_oem(struct mpc_table *mpc) { }
-
 static int __init smp_read_mpc(struct mpc_table *mpc, unsigned early)
 {
 	char str[16];
@@ -218,14 +208,7 @@ static int __init smp_read_mpc(struct mp
 	if (early)
 		return 1;
 
-	if (mpc->oemptr)
-		x86_init.mpparse.smp_read_mpc_oem(mpc);
-
-	/*
-	 *      Now process the configuration blocks.
-	 */
-	x86_init.mpparse.mpc_record(0);
-
+	/* Now process the configuration blocks. */
 	while (count < mpc->length) {
 		switch (*mpt) {
 		case MP_PROCESSOR:
@@ -256,7 +239,6 @@ static int __init smp_read_mpc(struct mp
 			count = mpc->length;
 			break;
 		}
-		x86_init.mpparse.mpc_record(1);
 	}
 
 	if (!num_processors)
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -67,11 +67,7 @@ struct x86_init_ops x86_init __initdata
 	},
 
 	.mpparse = {
-		.mpc_record		= x86_init_uint_noop,
 		.setup_ioapic_ids	= x86_init_noop,
-		.mpc_apic_id		= default_mpc_apic_id,
-		.smp_read_mpc_oem	= default_smp_read_mpc_oem,
-		.mpc_oem_bus_info	= default_mpc_oem_bus_info,
 		.find_smp_config	= default_find_smp_config,
 		.get_smp_config		= default_get_smp_config,
 	},

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  parent reply	other threads:[~2020-08-21  2:16 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-21  0:24 [patch RFC 00/38] x86, PCI, XEN, genirq ...: Prepare for device MSI Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 01/38] iommu/amd: Prevent NULL pointer dereference Thomas Gleixner
2020-08-21  0:24 ` Thomas Gleixner [this message]
2020-08-21  0:24 ` [patch RFC 03/38] x86/irq: Rename X86_IRQ_ALLOC_TYPE_MSI* to reflect PCI dependency Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 04/38] x86/irq: Add allocation type for parent domain retrieval Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 05/38] iommu/vt-d: Consolidate irq domain getter Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 06/38] iommu/amd: " Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 07/38] iommu/irq_remapping: Consolidate irq domain lookup Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 08/38] x86/irq: Prepare consolidation of irq_alloc_info Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 09/38] x86/msi: Consolidate HPET allocation Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 10/38] x86/ioapic: Consolidate IOAPIC allocation Thomas Gleixner
2020-08-26  8:40   ` Boqun Feng
2020-08-26  9:53     ` Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 11/38] x86/irq: Consolidate DMAR irq allocation Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 12/38] x86/irq: Consolidate UV domain allocation Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 13/38] PCI: MSI: Rework pci_msi_domain_calc_hwirq() Thomas Gleixner
2020-08-25 20:03   ` Bjorn Helgaas
2020-08-25 21:11     ` Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 14/38] x86/msi: Consolidate MSI allocation Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 15/38] x86/msi: Use generic MSI domain ops Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 16/38] x86/irq: Move apic_post_init() invocation to one place Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 17/38] x86/pci: Reducde #ifdeffery in PCI init code Thomas Gleixner
2020-08-25 20:20   ` Bjorn Helgaas
2020-08-21  0:24 ` [patch RFC 18/38] x86/irq: Initialize PCI/MSI domain at PCI init time Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 19/38] irqdomain/msi: Provide DOMAIN_BUS_VMD_MSI Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 20/38] PCI: vmd: Mark VMD irqdomain with DOMAIN_BUS_VMD_MSI Thomas Gleixner
2020-08-25 20:04   ` Bjorn Helgaas
2020-08-21  0:24 ` [patch RFC 21/38] PCI: MSI: Provide pci_dev_has_special_msi_domain() helper Thomas Gleixner
2020-08-25 20:16   ` Bjorn Helgaas
2020-08-21  0:24 ` [patch RFC 22/38] x86/xen: Make xen_msi_init() static and rename it to xen_hvm_msi_init() Thomas Gleixner
2020-08-24  4:48   ` Jürgen Groß
2020-08-21  0:24 ` [patch RFC 23/38] x86/xen: Rework MSI teardown Thomas Gleixner
2020-08-24  5:09   ` Jürgen Groß
2020-08-21  0:24 ` [patch RFC 24/38] x86/xen: Consolidate XEN-MSI init Thomas Gleixner
2020-08-24  4:59   ` Jürgen Groß
2020-08-24 21:21     ` Thomas Gleixner
2020-08-25  4:21       ` Jürgen Groß
2020-08-25  9:51         ` Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 25/38] irqdomain/msi: Allow to override msi_domain_alloc/free_irqs() Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 26/38] x86/xen: Wrap XEN MSI management into irqdomain Thomas Gleixner
2020-08-24  6:21   ` Jürgen Groß
2020-08-25  7:57     ` Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 27/38] iommm/vt-d: Store irq domain in struct device Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 28/38] iommm/amd: " Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 29/38] x86/pci: Set default irq domain in pcibios_add_device() Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 30/38] PCI/MSI: Allow to disable arch fallbacks Thomas Gleixner
2020-08-25 20:07   ` Bjorn Helgaas
2020-08-25 21:28     ` Thomas Gleixner
2020-08-25 21:35       ` Bjorn Helgaas
2020-08-25 21:40         ` Thomas Gleixner
2020-08-25 22:03           ` Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 31/38] x86/irq: Cleanup the arch_*_msi_irqs() leftovers Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 32/38] x86/irq: Make most MSI ops XEN private Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 33/38] x86/irq: Add DEV_MSI allocation type Thomas Gleixner
2020-08-21  0:24 ` [patch RFC 34/38] x86/msi: Let pci_msi_prepare() handle non-PCI MSI Thomas Gleixner
2020-08-25 20:24   ` Bjorn Helgaas
2020-08-25 21:30     ` Thomas Gleixner
2020-08-25 21:50       ` Bjorn Helgaas
2020-08-21  0:24 ` [patch RFC 35/38] platform-msi: Provide default irq_chip::ack Thomas Gleixner
2020-08-21  0:25 ` [patch RFC 36/38] platform-msi: Add device MSI infrastructure Thomas Gleixner
2020-08-21  0:25 ` [patch RFC 37/38] irqdomain/msi: Provide msi_alloc/free_store() callbacks Thomas Gleixner
2020-08-21  0:25 ` [patch RFC 38/38] irqchip: Add IMS array driver - NOT FOR MERGING Thomas Gleixner
2020-08-21 12:45   ` Jason Gunthorpe
2020-08-21 19:47     ` Thomas Gleixner
2020-08-21 20:17       ` Jason Gunthorpe
2020-08-21 23:47         ` Thomas Gleixner
2020-08-22  0:51           ` Jason Gunthorpe
2020-08-22  1:34             ` Thomas Gleixner
2020-08-22 23:05               ` Jason Gunthorpe
2020-08-23  8:03                 ` Thomas Gleixner
2020-08-22 14:19 ` [patch RFC 00/38] x86, PCI, XEN, genirq ...: Prepare for device MSI Jürgen Groß

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