Re: [PATCH v3 00/24] Remove COMMAND_LINE_SIZE from uapi

On Thu, Mar 2, 2023 at 4:17 AM Palmer Dabbelt wrote: > > On Tue, 14 Feb 2023 01:19:02 PST (-0800), h...@linux.ibm.com wrote: > > On Tue, Feb 14, 2023 at 09:58:17AM +0100, Geert Uytterhoeven wrote: > >> Hi Heiko, > >> > >> On Tue, Feb 14, 2023 at 9:39 AM Heiko Carstens wrote: > >> > On Tue, Feb 14

[PATCH v4 00/24] Remove COMMAND_LINE_SIZE from uapi

This all came up in the context of increasing COMMAND_LINE_SIZE in the RISC-V port. In theory that's a UABI break, as COMMAND_LINE_SIZE is the maximum length of /proc/cmdline and userspace could staticly rely on that to be correct. Usually I wouldn't mess around with changing this sort of thing,

[PATCH v4 01/24] alpha: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Reviewed-by: Philippe Mathieu-Daudé --- arch/alpha/include/asm/setup.h | 4 ++-- arch/alpha/include/uapi/asm/setup.h | 2 -- 2 files

[PATCH v4 02/24] arm64: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Acked-by: Catalin Marinas --- arch/arm64/include/asm/setup.h | 3 ++- arch/arm64/include/uapi/asm/setup.h | 2 -- 2 files changed, 2

[PATCH v4 03/24] arm: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Reviewed-by: Russell King (Oracle) --- arch/arm/include/asm/setup.h | 1 + arch/arm/include/uapi/asm/setup.h | 2 -- 2 files changed,

[PATCH v4 04/24] ia64: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt --- arch/ia64/include/asm/setup.h | 10 ++ arch/ia64/include/uapi/asm/setup.h | 6 ++ 2 files changed, 12 insertions(+),

[PATCH v4 05/24] m68k: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Acked-by: Geert Uytterhoeven --- arch/m68k/include/asm/setup.h | 3 +-- arch/m68k/include/uapi/asm/setup.h | 2 -- 2 files changed, 1

[PATCH v4 06/24] microblaze: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt --- arch/microblaze/include/asm/setup.h | 2 +- arch/microblaze/include/uapi/asm/setup.h | 2 -- 2 files changed, 1 insertion(+), 3 de

[PATCH v4 07/24] mips: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Reviewed-by: Philippe Mathieu-Daudé --- arch/mips/include/asm/setup.h | 3 ++- arch/mips/include/uapi/asm/setup.h | 3 --- 2 files ch

[PATCH v4 08/24] parisc: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Reviewed-by: Philippe Mathieu-Daudé Acked-by: Helge Deller --- arch/parisc/include/asm/setup.h | 7 +++ arch/parisc/include/uapi

[PATCH v4 09/24] powerpc: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Acked-by: Michael Ellerman --- arch/powerpc/include/asm/setup.h | 2 +- arch/powerpc/include/uapi/asm/setup.h | 2 -- 2 files changed

[PATCH v4 10/24] sparc: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt --- arch/sparc/include/asm/setup.h | 6 +- arch/sparc/include/uapi/asm/setup.h | 7 --- 2 files changed, 5 insertions(+), 8 de

[PATCH v4 11/24] xtensa: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Signed-off-by: Palmer Dabbelt Acked-by: Max Filippov --- arch/xtensa/include/asm/setup.h | 17 + arch/xtensa/include/uapi/asm/setup.h | 2 -- 2 fi

[PATCH v4 12/24] asm-generic: Remove COMMAND_LINE_SIZE from uapi

From: Palmer Dabbelt As far as I can tell this is not used by userspace and thus should not be part of the user-visible API. Since only contains COMMAND_LINE_SIZE we can just move it out of uapi to hide the definition and fix up the only direct use in Loongarch. Signed-off-by: Palmer Dabbelt

Re: [PATCH v4 00/24] Remove COMMAND_LINE_SIZE from uapi

Hi Alex, On Thu, Mar 2, 2023 at 10:35 AM Alexandre Ghiti wrote: > This all came up in the context of increasing COMMAND_LINE_SIZE in the > RISC-V port. In theory that's a UABI break, as COMMAND_LINE_SIZE is the > maximum length of /proc/cmdline and userspace could staticly rely on > that to be c

[PATCH v4 13/24] alpha: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- arch/alpha/include/uapi/asm/setup.h | 5 - 1 file changed, 5 deletions(-) delete mode 100644 arch/alpha/include/uapi/asm/setup.h diff --git a/arch/alpha/include/uapi/asm/setup.h b/arch/alpha/include/uapi/asm/setup.h deleted file mode

[PATCH v4 14/24] arc: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt Reviewed-by: Philippe Mathieu-Daudé --- arch/arc/include/asm/setup.h | 1 - arch/arc/include/uapi/asm/setup.h | 6 -- 2 files changed, 7 deletions(-) delete mode 100644 arch/arc/include/uapi/asm/setup.h diff --git a/arch/arc/include

[PATCH v4 16/24] arm64: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- arch/arm64/include/uapi/asm/setup.h | 25 - 1 file changed, 25 deletions(-) delete mode 100644 arch/arm64/include/uapi/asm/setup.h diff --git a/arch/arm64/include/uapi/asm/setup.h b/arch/arm64/include/uapi/asm/set

[PATCH v4 17/24] microblaze: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- arch/microblaze/include/uapi/asm/setup.h | 18 -- 1 file changed, 18 deletions(-) delete mode 100644 arch/microblaze/include/uapi/asm/setup.h diff --git a/arch/microblaze/include/uapi/asm/setup.h b/arch/microblaze/include

[PATCH v4 18/24] sparc: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- arch/sparc/include/uapi/asm/setup.h | 9 - 1 file changed, 9 deletions(-) delete mode 100644 arch/sparc/include/uapi/asm/setup.h diff --git a/arch/sparc/include/uapi/asm/setup.h b/arch/sparc/include/uapi/asm/setup.h deleted file

[PATCH v4 19/24] parisc: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt Reviewed-by: Philippe Mathieu-Daudé Acked-by: Helge Deller --- arch/parisc/include/uapi/asm/setup.h | 5 - 1 file changed, 5 deletions(-) delete mode 100644 arch/parisc/include/uapi/asm/setup.h diff --git a/arch/parisc/include/uapi/asm/

[PATCH v4 20/24] x86: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt Reviewed-by: Philippe Mathieu-Daudé --- arch/x86/include/asm/setup.h | 2 -- arch/x86/include/uapi/asm/setup.h | 1 - 2 files changed, 3 deletions(-) delete mode 100644 arch/x86/include/uapi/asm/setup.h diff --git a/arch/x86/include/asm

[PATCH v4 21/24] xtensa: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt Acked-by: Max Filippov --- arch/xtensa/include/uapi/asm/setup.h | 15 --- 1 file changed, 15 deletions(-) delete mode 100644 arch/xtensa/include/uapi/asm/setup.h diff --git a/arch/xtensa/include/uapi/asm/setup.h b/arch/xtensa/in

[PATCH v4 22/24] powerpc: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- arch/powerpc/include/uapi/asm/setup.h | 5 - 1 file changed, 5 deletions(-) delete mode 100644 arch/powerpc/include/uapi/asm/setup.h diff --git a/arch/powerpc/include/uapi/asm/setup.h b/arch/powerpc/include/uapi/asm/setup.h deleted f

[PATCH v4 23/24] mips: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt --- arch/mips/include/uapi/asm/setup.h | 5 - 1 file changed, 5 deletions(-) delete mode 100644 arch/mips/include/uapi/asm/setup.h diff --git a/arch/mips/include/uapi/asm/setup.h b/arch/mips/include/uapi/asm/setup.h deleted file mode 100

[PATCH v4 24/24] s390: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt Acked-by: Heiko Carstens Reviewed-by: Philippe Mathieu-Daudé --- arch/s390/include/asm/setup.h | 1 - arch/s390/include/uapi/asm/setup.h | 1 - 2 files changed, 2 deletions(-) delete mode 100644 arch/s390/include/uapi/asm/setup.h diff

Re: [PATCH v4 00/24] Remove COMMAND_LINE_SIZE from uapi

Hi Arnd, On 3/2/23 10:35, Alexandre Ghiti wrote: This all came up in the context of increasing COMMAND_LINE_SIZE in the RISC-V port. In theory that's a UABI break, as COMMAND_LINE_SIZE is the maximum length of /proc/cmdline and userspace could staticly rely on that to be correct. Usually I wou

Re: [PATCH v4 00/24] Remove COMMAND_LINE_SIZE from uapi

Hi Geert, On 3/2/23 10:47, Geert Uytterhoeven wrote: Hi Alex, On Thu, Mar 2, 2023 at 10:35 AM Alexandre Ghiti wrote: This all came up in the context of increasing COMMAND_LINE_SIZE in the RISC-V port. In theory that's a UABI break, as COMMAND_LINE_SIZE is the maximum length of /proc/cmdline

[PATCH v4 15/24] m68k: Remove empty

From: Palmer Dabbelt Signed-off-by: Palmer Dabbelt Acked-by: Geert Uytterhoeven --- arch/m68k/include/uapi/asm/setup.h | 15 --- 1 file changed, 15 deletions(-) delete mode 100644 arch/m68k/include/uapi/asm/setup.h diff --git a/arch/m68k/include/uapi/asm/setup.h b/arch/m68k/incl

Re: [PATCH v4 00/24] Remove COMMAND_LINE_SIZE from uapi

Hi Alex, On Thu, Mar 2, 2023 at 11:09 AM Alexandre Ghiti wrote: > On 3/2/23 10:47, Geert Uytterhoeven wrote: > > On Thu, Mar 2, 2023 at 10:35 AM Alexandre Ghiti > > wrote: > >> This all came up in the context of increasing COMMAND_LINE_SIZE in the > >> RISC-V port. In theory that's a UABI brea

Re: [PATCH v4 00/24] Remove COMMAND_LINE_SIZE from uapi

On 3/2/23 11:44, Geert Uytterhoeven wrote: Hi Alex, On Thu, Mar 2, 2023 at 11:09 AM Alexandre Ghiti wrote: On 3/2/23 10:47, Geert Uytterhoeven wrote: On Thu, Mar 2, 2023 at 10:35 AM Alexandre Ghiti wrote: This all came up in the context of increasing COMMAND_LINE_SIZE in the RISC-V port.

Re: [PATCH v7 13/41] mm: Make pte_mkwrite() take a VMA

On Mon, Feb 27, 2023 at 02:29:29PM -0800, Rick Edgecombe wrote: > [0] > https://lore.kernel.org/lkml/0e29a2d0-08d8-bcd6-ff26-4bea0e403...@redhat.com/#t I guess that sub-thread about how you arrived at this "pass a VMA" decision should be in the Link tag. But that's for the committer, I'd say. Th

Re: [PATCH v4 00/24] Remove COMMAND_LINE_SIZE from uapi

On 3/2/23 11:06, Alexandre Ghiti wrote: Hi Arnd, On 3/2/23 10:35, Alexandre Ghiti wrote: This all came up in the context of increasing COMMAND_LINE_SIZE in the RISC-V port.  In theory that's a UABI break, as COMMAND_LINE_SIZE is the maximum length of /proc/cmdline and userspace could staticly

[PATCH 1/2] ARC: Add the clone3 wrapper

From: Pavel Kozlov Use the clone3 wrapper on ARC. It doesn't care about stack alignment. All callers should provide an aligned stack. It follows the internal signature: extern int clone3 (struct clone_args *__cl_args, size_t __size, int (*__func) (void *__arg), void *__arg); --- Checked on arc-

[PATCH 2/2] ARC: run child from the separate start block in __clone

From: Pavel Kozlov For better debug experience use separate code block with extra cfi_* directives to run child (same as in __clone3). --- sysdeps/unix/sysv/linux/arc/clone.S | 40 ++--- 1 file changed, 25 insertions(+), 15 deletions(-) diff --git a/sysdeps/unix/sysv/lin

Re: [PATCH v3 00/24] Remove COMMAND_LINE_SIZE from uapi

On March 1, 2023 7:17:18 PM PST, Palmer Dabbelt wrote: >On Tue, 14 Feb 2023 01:19:02 PST (-0800), h...@linux.ibm.com wrote: >> On Tue, Feb 14, 2023 at 09:58:17AM +0100, Geert Uytterhoeven wrote: >>> Hi Heiko, >>> >>> On Tue, Feb 14, 2023 at 9:39 AM Heiko Carstens wrote: >>> > On Tue, Feb 14, 202