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Date: Sun, 19 Mar 2023 20:50:06 +0100
From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To: Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org
Cc: Geert Uytterhoeven <geert+renesas@...der.be>,
Arnd Bergmann <arnd@...db.de>, Rich Felker <dalias@...c.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
linux-sh@...r.kernel.org
Subject: Re: [PATCH 5/7 v4] sh: remove sh5/sh64 last fragments
On Sun, 2023-03-05 at 20:00 -0800, Randy Dunlap wrote:
> A previous patch removed most of the sh5 (sh64) support from the
> kernel tree. Now remove the last stragglers.
>
> Fixes: 37744feebc08 ("sh: remove sh5 support")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Geert Uytterhoeven <geert+renesas@...der.be>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Rich Felker <dalias@...c.org>
> Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
> Cc: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
> Cc: linux-sh@...r.kernel.org
> Acked-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
> ---
> v2: update after adding the parisc64 alias to kbuild.rst
> v3: skipped
> v4: refresh & resend
>
> Documentation/kbuild/kbuild.rst | 1 -
> Documentation/scheduler/sched-arch.rst | 2 --
> Documentation/translations/zh_CN/scheduler/sched-arch.rst | 2 --
> scripts/checkstack.pl | 7 -------
> tools/perf/arch/common.c | 2 --
> tools/scripts/Makefile.arch | 5 -----
> tools/testing/selftests/mm/Makefile | 2 +-
> tools/testing/selftests/mm/run_vmtests.sh | 2 +-
> 8 files changed, 2 insertions(+), 21 deletions(-)
>
> diff -- a/Documentation/kbuild/kbuild.rst b/Documentation/kbuild/kbuild.rst
> --- a/Documentation/kbuild/kbuild.rst
> +++ b/Documentation/kbuild/kbuild.rst
> @@ -161,7 +161,6 @@ But some architectures such as x86 and s
>
> - x86: i386 for 32 bit, x86_64 for 64 bit
> - parisc: parisc64 for 64 bit
> -- sh: sh for 32 bit, sh64 for 64 bit
> - sparc: sparc32 for 32 bit, sparc64 for 64 bit
>
> CROSS_COMPILE
> diff -- a/Documentation/scheduler/sched-arch.rst b/Documentation/scheduler/sched-arch.rst
> --- a/Documentation/scheduler/sched-arch.rst
> +++ b/Documentation/scheduler/sched-arch.rst
> @@ -70,7 +70,5 @@ Possible arch problems I found (and eith
>
> ia64 - is safe_halt call racy vs interrupts? (does it sleep?) (See #4a)
>
> -sh64 - Is sleeping racy vs interrupts? (See #4a)
> -
> sparc - IRQs on at this point(?), change local_irq_save to _disable.
> - TODO: needs secondary CPUs to disable preempt (See #1)
> diff -- a/Documentation/translations/zh_CN/scheduler/sched-arch.rst b/Documentation/translations/zh_CN/scheduler/sched-arch.rst
> --- a/Documentation/translations/zh_CN/scheduler/sched-arch.rst
> +++ b/Documentation/translations/zh_CN/scheduler/sched-arch.rst
> @@ -70,7 +70,5 @@ 我发现的可能的arch问题（并试
>
> ia64 - safe_halt的调用与中断相比，是否很荒谬？ (它睡眠了吗) (参考 #4a)
>
> -sh64 - 睡眠与中断相比，是否很荒谬？ (参考 #4a)
> -
> sparc - 在这一点上，IRQ是开着的（？），把local_irq_save改为_disable。
> - 待办事项: 需要第二个CPU来禁用抢占 (参考 #1)
> diff -- a/scripts/checkstack.pl b/scripts/checkstack.pl
> --- a/scripts/checkstack.pl
> +++ b/scripts/checkstack.pl
> @@ -10,7 +10,6 @@
> # Mips port by Juan Quintela <quintela@...drakesoft.com>
> # IA64 port via Andreas Dilger
> # Arm port by Holger Schurig
> -# sh64 port by Paul Mundt
> # Random bits by Matt Mackall <mpm@...enic.com>
> # M68k port by Geert Uytterhoeven and Andreas Schwab
> # AArch64, PARISC ports by Kyle McMartin
> @@ -100,12 +99,6 @@ my (@stack, $re, $dre, $sub, $x, $xs, $f
> # 100092: e3 f0 ff c8 ff 71 lay %r15,-56(%r15)
> $re = qr/.*(?:lay|ag?hi).*\%r15,-(([0-9]{2}|[3-9])[0-9]{2})
> (?:\(\%r15\))?$/ox;
> - } elsif ($arch =~ /^sh64$/) {
> - #XXX: we only check for the immediate case presently,
> - # though we will want to check for the movi/sub
> - # pair for larger users. -- PFM.
> - #a00048e0: d4fc40f0 addi.l r15,-240,r15
> - $re = qr/.*addi\.l.*r15,-(([0-9]{2}|[3-9])[0-9]{2}),r15/o;
> } elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
> # f0019d10: 9d e3 bf 90 save %sp, -112, %sp
> $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
> diff -- a/tools/perf/arch/common.c b/tools/perf/arch/common.c
> --- a/tools/perf/arch/common.c
> +++ b/tools/perf/arch/common.c
> @@ -51,9 +51,7 @@ const char *const s390_triplets[] = {
>
> const char *const sh_triplets[] = {
> "sh-unknown-linux-gnu-",
> - "sh64-unknown-linux-gnu-",
> "sh-linux-gnu-",
> - "sh64-linux-gnu-",
> NULL
> };
>
> diff -- a/tools/scripts/Makefile.arch b/tools/scripts/Makefile.arch
> --- a/tools/scripts/Makefile.arch
> +++ b/tools/scripts/Makefile.arch
> @@ -29,11 +29,6 @@ ifeq ($(ARCH),sparc64)
> SRCARCH := sparc
> endif
>
> -# Additional ARCH settings for sh
> -ifeq ($(ARCH),sh64)
> - SRCARCH := sh
> -endif
> -
> # Additional ARCH settings for loongarch
> ifeq ($(ARCH),loongarch32)
> SRCARCH := loongarch
> diff -- a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile
> --- a/tools/testing/selftests/mm/Makefile
> +++ b/tools/testing/selftests/mm/Makefile
> @@ -90,7 +90,7 @@ endif
>
> endif
>
> -ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64))
> +ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64))
> TEST_GEN_FILES += va_128TBswitch
> TEST_GEN_FILES += virtual_address_range
> TEST_GEN_FILES += write_to_hugetlbfs
> diff -- a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
> --- a/tools/testing/selftests/mm/run_vmtests.sh
> +++ b/tools/testing/selftests/mm/run_vmtests.sh
> @@ -132,7 +132,7 @@ else
> fi
>
> # filter 64bit architectures
> -ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64"
> +ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sparc64 x86_64"
> if [ -z "$ARCH" ]; then
> ARCH=$(uname -m 2>/dev/null | sed -e 's/aarch64.*/arm64/')
> fi
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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