kernel/arch/xtensa/include/asm/Kbuild, branch linux-5.1.y

KVM: export and iif KVM is supported

2019-03-28T16:27:42Z

I do not see any consistency about headers_install of and . According to my analysis of Linux 5.1-rc1, there are 3 groups: [1] Both and are exported alpha, arm, hexagon, mips, powerpc, s390, sparc, x86 [2] is exported, but is not arc, arm64, c6x, h8300, ia64, m68k, microblaze, nios2, openrisc, parisc, sh, unicore32, xtensa [3] Neither nor is exported csky, nds32, riscv This does not match to the actual KVM support. At least, [2] is half-baked. Nor do arch maintainers look like they care about this. For example, commit 0add53713b1c ("microblaze: Add missing kvm_para.h to Kbuild") exported to user-space in order to fix an in-kernel build error. We have two ways to make this consistent: [A] export both and for all architectures, irrespective of the KVM support [B] Match the header export of and to the KVM support My first attempt was [A] because the code looks cleaner, but Paolo suggested [B]. So, this commit goes with [B]. For most architectures, was moved to the kernel-space. I changed include/uapi/linux/Kbuild so that it checks generated asm/kvm_para.h as well as check-in ones. After this commit, there will be two groups: [1] Both and are exported arm, arm64, mips, powerpc, s390, x86 [2] Neither nor is exported alpha, arc, c6x, csky, h8300, hexagon, ia64, m68k, microblaze, nds32, nios2, openrisc, parisc, riscv, sh, sparc, unicore32, xtensa Signed-off-by: Masahiro Yamada Acked-by: Cornelia Huck Signed-off-by: Paolo Bonzini

kbuild: warn redundant generic-y

2019-03-17T03:56:31Z

The generic-y is redundant under the following condition: - arch has its own implementation - the same header is added to generated-y - the same header is added to mandatory-y If a redundant generic-y is found, the warning like follows is displayed: scripts/Makefile.asm-generic:20: redundant generic-y found in arch/arm/include/asm/Kbuild: timex.h I fixed up arch Kbuild files found by this. Suggested-by: Sam Ravnborg Signed-off-by: Masahiro Yamada

Merge tag 'xtensa-20190307' of git://github.com/jcmvbkbc/linux-xtensa

2019-03-07T21:27:53Z

Pull xtensa updates from Max Filippov: - use generic spinlock/rwlock implementations - clean up IPI processing - document boot parameters passing to the kernel - fix get_wchan - various cleanups in time.c, process.c, traps.c and thread_info.h * tag 'xtensa-20190307' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: simplify trap_init xtensa: drop unused definitions xtensa: fix get_wchan xtensa: use generic spinlock/rwlock implementation xtensa: provide xchg for sizes 1 and 2 xtensa: clean up arch/xtensa/kernel/time.c xtensa: SMP: rework IPI processing xtensa: document boot parameter passing

xtensa: use generic spinlock/rwlock implementation

2019-02-07T20:24:20Z

Drop custom spinlock/rwlock code and use ones from asm-generic. This way there is less code duplication (atomic primitives are reused). Signed-off-by: Max Filippov

arch: Use asm-generic/socket.h when possible

2019-02-03T19:17:30Z

Many architectures maintain an arch specific copy of the file even though there are no differences with the asm-generic one. Allow these architectures to use the generic one instead. Signed-off-by: Deepa Dinamani Acked-by: Max Filippov Acked-by: Heiko Carstens Acked-by: Willem de Bruijn Cc: chris@zankel.net Cc: fenghua.yu@intel.com Cc: tglx@linutronix.de Cc: schwidefsky@de.ibm.com Cc: linux-ia64@vger.kernel.org Cc: linux-xtensa@linux-xtensa.org Cc: linux-s390@vger.kernel.org Signed-off-by: David S. Miller

xtensa: generate uapi header and syscall table header files

2018-12-03T07:45:41Z

System call table generation script must be run to gener- ate unistd_32.h and syscall_table.h files. This patch will have changes which will invokes the script. This patch will generate unistd_32.h and syscall_table.h files by the syscall table generation script invoked by xtensa/Makefile and the generated files against the removed files must be identical. The generated uapi header file will be included in uapi/- asm/unistd.h and generated system call table header file will be included by kernel/syscall.c file. Signed-off-by: Firoz Khan Signed-off-by: Max Filippov

xtensa: use generic vga.h

2018-10-26T23:25:18Z

What xtensa has in asm/vga.h is the same as what can be found in asm-generic/vga.h. So use the latter header. Link: http://lkml.kernel.org/r/20180907132219.12979-1-jslaby@suse.cz Signed-off-by: Jiri Slaby Acked-by: Max Filippov Cc: Chris Zankel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

xtensa: use generic dma_noncoherent_ops

2018-07-11T18:10:21Z

Switch to the generic noncoherent direct mapping implementation. Signed-off-by: Christoph Hellwig Signed-off-by: Max Filippov

time: Add an asm-generic/compat.h file

2018-04-19T11:28:51Z

We have a couple of files that try to include asm/compat.h on architectures where this is available. Those should generally use the higher-level linux/compat.h file, but that in turn fails to include asm/compat.h when CONFIG_COMPAT is disabled, unless we can provide that header on all architectures. This adds the asm/compat.h for all remaining architectures to simplify the dependencies. Architectures that are getting removed in linux-4.17 are not changed here, to avoid needless conflicts with the removal patches. Those architectures are broken by this patch, but we have already shown that they have no users. Signed-off-by: Arnd Bergmann

arch: Remove clkdev.h asm-generic from Kbuild

2018-01-03T17:02:11Z

Now that every architecture is using the generic clkdev.h file and we no longer include asm/clkdev.h anywhere in the tree, we can remove it. Cc: Russell King Acked-by: Arnd Bergmann Cc: Acked-by: Geert Uytterhoeven [m68k] Signed-off-by: Stephen Boyd