linux/arch
Mike Rapoport e19f97ed67 um: add support for folded p4d page tables
The UML port uses 4 and 5 level fixups to support higher level page
table directories in the generic VM code.

Implement primitives necessary for the 4th level folding, add walks of
p4d level where appropriate and drop usage of __ARCH_USE_5LEVEL_HACK.

Link: http://lkml.kernel.org/r/1572938135-31886-13-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-04 19:44:15 -08:00
..
alpha alpha: use pgtable-nopud instead of 4level-fixup 2019-12-04 19:44:14 -08:00
arc pci-v5.5-changes 2019-12-03 13:58:22 -08:00
arm arm: nommu: use pgtable-nopud instead of 4level-fixup 2019-12-04 19:44:14 -08:00
arm64 pci-v5.5-changes 2019-12-03 13:58:22 -08:00
c6x c6x: use pgtable-nopud instead of 4level-fixup 2019-12-04 19:44:15 -08:00
csky dma-mapping updates for 5.5-rc1 2019-11-28 11:16:43 -08:00
h8300 h8300: Move EXCEPTION_TABLE to RO_DATA segment 2019-11-04 18:12:55 +01:00
hexagon Kbuild updates for v5.5 2019-12-02 17:35:04 -08:00
ia64 Kbuild updates for v5.5 2019-12-02 17:35:04 -08:00
m68k m68k: mm: use pgtable-nopXd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
microblaze microblaze: use pgtable-nopmd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
mips arch: sembuf.h: make uapi asm/sembuf.h self-contained 2019-12-04 19:44:14 -08:00
nds32 nds32: use pgtable-nopmd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
nios2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2019-12-01 13:26:18 -08:00
openrisc OpenRISC updates for 5.5 2019-12-02 17:18:43 -08:00
parisc parisc/hugetlb: use pgtable-nopXd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
powerpc arch: sembuf.h: make uapi asm/sembuf.h self-contained 2019-12-04 19:44:14 -08:00
riscv pci-v5.5-changes 2019-12-03 13:58:22 -08:00
s390 arch: ipcbuf.h: make uapi asm/ipcbuf.h self-contained 2019-12-04 19:44:14 -08:00
sh - New Functionality 2019-12-01 16:13:39 -08:00
sparc sparc32: use pgtable-nopud instead of 4level-fixup 2019-12-04 19:44:15 -08:00
um um: add support for folded p4d page tables 2019-12-04 19:44:15 -08:00
unicore32 generic ioremap support 2019-11-28 10:57:12 -08:00
x86 arch: sembuf.h: make uapi asm/sembuf.h self-contained 2019-12-04 19:44:14 -08:00
xtensa arch: sembuf.h: make uapi asm/sembuf.h self-contained 2019-12-04 19:44:14 -08:00
.gitignore
Kconfig arch/Kconfig: fix indentation 2019-12-04 19:44:12 -08:00