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Date:   Sat, 26 Dec 2020 18:44:46 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Christoph Hellwig <hch@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        Ley Foon Tan <ley.foon.tan@...el.com>,
        Mark Salter <msalter@...hat.com>,
        Aurelien Jacquiot <jacquiot.aurelien@...il.com>,
        linux-c6x-dev@...ux-c6x.org, Peter Zijlstra <peterz@...radead.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v2] local64.h: make <asm/local64.h> mandatory

Make <asm-generic/local64.h> mandatory in include/asm-generic/Kbuild
and remove all arch/*/include/asm/local64.h arch-specific files since
they only #include <asm-generic/local64.h>.

This fixes build errors on arch/c6x/ and arch/nios2/ for
block/blk-iocost.c.

Build-tested on 21 of 25 arch-es. (tools problems on the others)

Yes, we could even rename <asm-generic/local64.h> to
<linux/local64.h> and change all #includes to use
<linux/local64.h> instead.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Suggested-by: Christoph Hellwig <hch@...radead.org>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: linux-block@...r.kernel.org
Cc: Ley Foon Tan <ley.foon.tan@...el.com>
Cc: Mark Salter <msalter@...hat.com>
Cc: Aurelien Jacquiot <jacquiot.aurelien@...il.com>
Cc: linux-c6x-dev@...ux-c6x.org
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Masahiro Yamada <masahiroy@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
Would some $maintainer please plan to apply/merge this.

v2: instead of making local64.h a generic-y header file and adding it
to the missing arch/ header locations, make it a mandotory-y header file
and remove it from most arch/ header locations. (Christoph)

 arch/alpha/include/asm/local64.h   |    1 -
 arch/arc/include/asm/Kbuild        |    1 -
 arch/arm/include/asm/Kbuild        |    1 -
 arch/arm64/include/asm/Kbuild      |    1 -
 arch/csky/include/asm/Kbuild       |    1 -
 arch/h8300/include/asm/Kbuild      |    1 -
 arch/hexagon/include/asm/Kbuild    |    1 -
 arch/ia64/include/asm/local64.h    |    1 -
 arch/m68k/include/asm/Kbuild       |    1 -
 arch/microblaze/include/asm/Kbuild |    1 -
 arch/mips/include/asm/Kbuild       |    1 -
 arch/nds32/include/asm/Kbuild      |    1 -
 arch/openrisc/include/asm/Kbuild   |    1 -
 arch/parisc/include/asm/Kbuild     |    1 -
 arch/powerpc/include/asm/Kbuild    |    1 -
 arch/riscv/include/asm/Kbuild      |    1 -
 arch/s390/include/asm/Kbuild       |    1 -
 arch/sh/include/asm/Kbuild         |    1 -
 arch/sparc/include/asm/Kbuild      |    1 -
 arch/x86/include/asm/local64.h     |    1 -
 arch/xtensa/include/asm/Kbuild     |    1 -
 include/asm-generic/Kbuild         |    1 +
 22 files changed, 1 insertion(+), 21 deletions(-)

--- linux-next-20201209.orig/include/asm-generic/Kbuild
+++ linux-next-20201209/include/asm-generic/Kbuild
@@ -34,6 +34,7 @@ mandatory-y += kmap_size.h
 mandatory-y += kprobes.h
 mandatory-y += linkage.h
 mandatory-y += local.h
+mandatory-y += local64.h
 mandatory-y += mm-arch-hooks.h
 mandatory-y += mmiowb.h
 mandatory-y += mmu.h
--- linux-next-20201209.orig/arch/arc/include/asm/Kbuild
+++ linux-next-20201209/arch/arc/include/asm/Kbuild
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += user.h
--- linux-next-20201209.orig/arch/arm64/include/asm/Kbuild
+++ linux-next-20201209/arch/arm64/include/asm/Kbuild
@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 generic-y += early_ioremap.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += qrwlock.h
 generic-y += qspinlock.h
--- linux-next-20201209.orig/arch/arm/include/asm/Kbuild
+++ linux-next-20201209/arch/arm/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generic-y += early_ioremap.h
 generic-y += extable.h
 generic-y += flat.h
-generic-y += local64.h
 generic-y += parport.h
 
 generated-y += mach-types.h
--- linux-next-20201209.orig/arch/csky/include/asm/Kbuild
+++ linux-next-20201209/arch/csky/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generic-y += asm-offsets.h
 generic-y += gpio.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += qrwlock.h
 generic-y += qspinlock.h
--- linux-next-20201209.orig/arch/h8300/include/asm/Kbuild
+++ linux-next-20201209/arch/h8300/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generic-y += asm-offsets.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += spinlock.h
--- linux-next-20201209.orig/arch/hexagon/include/asm/Kbuild
+++ linux-next-20201209/arch/hexagon/include/asm/Kbuild
@@ -2,5 +2,4 @@
 generic-y += extable.h
 generic-y += iomap.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
--- linux-next-20201209.orig/arch/m68k/include/asm/Kbuild
+++ linux-next-20201209/arch/m68k/include/asm/Kbuild
@@ -2,6 +2,5 @@
 generated-y += syscall_table.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += spinlock.h
--- linux-next-20201209.orig/arch/microblaze/include/asm/Kbuild
+++ linux-next-20201209/arch/microblaze/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generated-y += syscall_table.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += syscalls.h
--- linux-next-20201209.orig/arch/mips/include/asm/Kbuild
+++ linux-next-20201209/arch/mips/include/asm/Kbuild
@@ -6,7 +6,6 @@ generated-y += syscall_table_64_n64.h
 generated-y += syscall_table_64_o32.h
 generic-y += export.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
 generic-y += qrwlock.h
--- linux-next-20201209.orig/arch/nds32/include/asm/Kbuild
+++ linux-next-20201209/arch/nds32/include/asm/Kbuild
@@ -4,6 +4,5 @@ generic-y += cmpxchg.h
 generic-y += export.h
 generic-y += gpio.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += parport.h
 generic-y += user.h
--- linux-next-20201209.orig/arch/openrisc/include/asm/Kbuild
+++ linux-next-20201209/arch/openrisc/include/asm/Kbuild
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += qspinlock_types.h
 generic-y += qspinlock.h
--- linux-next-20201209.orig/arch/parisc/include/asm/Kbuild
+++ linux-next-20201209/arch/parisc/include/asm/Kbuild
@@ -3,6 +3,5 @@ generated-y += syscall_table_32.h
 generated-y += syscall_table_64.h
 generated-y += syscall_table_c32.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += user.h
--- linux-next-20201209.orig/arch/powerpc/include/asm/Kbuild
+++ linux-next-20201209/arch/powerpc/include/asm/Kbuild
@@ -5,7 +5,6 @@ generated-y += syscall_table_c32.h
 generated-y += syscall_table_spu.h
 generic-y += export.h
 generic-y += kvm_types.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += qrwlock.h
 generic-y += vtime.h
--- linux-next-20201209.orig/arch/riscv/include/asm/Kbuild
+++ linux-next-20201209/arch/riscv/include/asm/Kbuild
@@ -3,6 +3,5 @@ generic-y += early_ioremap.h
 generic-y += extable.h
 generic-y += flat.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += user.h
 generic-y += vmlinux.lds.h
--- linux-next-20201209.orig/arch/s390/include/asm/Kbuild
+++ linux-next-20201209/arch/s390/include/asm/Kbuild
@@ -7,5 +7,4 @@ generated-y += unistd_nr.h
 generic-y += asm-offsets.h
 generic-y += export.h
 generic-y += kvm_types.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
--- linux-next-20201209.orig/arch/sh/include/asm/Kbuild
+++ linux-next-20201209/arch/sh/include/asm/Kbuild
@@ -1,6 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += parport.h
--- linux-next-20201209.orig/arch/sparc/include/asm/Kbuild
+++ linux-next-20201209/arch/sparc/include/asm/Kbuild
@@ -6,5 +6,4 @@ generated-y += syscall_table_64.h
 generated-y += syscall_table_c32.h
 generic-y += export.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
--- linux-next-20201209.orig/arch/xtensa/include/asm/Kbuild
+++ linux-next-20201209/arch/xtensa/include/asm/Kbuild
@@ -2,7 +2,6 @@
 generated-y += syscall_table.h
 generic-y += extable.h
 generic-y += kvm_para.h
-generic-y += local64.h
 generic-y += mcs_spinlock.h
 generic-y += param.h
 generic-y += qrwlock.h
--- linux-next-20201209.orig/arch/alpha/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
--- linux-next-20201209.orig/arch/ia64/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
--- linux-next-20201209.orig/arch/x86/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>

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