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From: Peter Zijlstra <peterz@infradead•org>
To: Stephen Rothwell <sfr@canb•auug.org.au>
Cc: Jens Axboe <axboe@kernel•dk>, Arnd Bergmann <arnd@arndb•de>,
	Linux Kernel Mailing List <linux-kernel@vger•kernel.org>,
	Linux Next Mailing List <linux-next@vger•kernel.org>,
	Sohil Mehta <sohil.mehta@intel•com>
Subject: Re: linux-next: manual merge of the block tree with the asm-generic tree
Date: Mon, 9 Oct 2023 10:48:12 +0200	[thread overview]
Message-ID: <20231009084812.GB14330@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20231009123118.4487a0e1@canb.auug.org.au>

On Mon, Oct 09, 2023 at 12:31:18PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> Today's linux-next merge of the block tree got conflicts in:
> 
>   arch/alpha/kernel/syscalls/syscall.tbl
>   arch/arm/tools/syscall.tbl
>   arch/arm64/include/asm/unistd.h
>   arch/arm64/include/asm/unistd32.h
>   arch/m68k/kernel/syscalls/syscall.tbl
>   arch/microblaze/kernel/syscalls/syscall.tbl
>   arch/mips/kernel/syscalls/syscall_n32.tbl
>   arch/mips/kernel/syscalls/syscall_n64.tbl
>   arch/mips/kernel/syscalls/syscall_o32.tbl
>   arch/parisc/kernel/syscalls/syscall.tbl
>   arch/powerpc/kernel/syscalls/syscall.tbl
>   arch/s390/kernel/syscalls/syscall.tbl
>   arch/sh/kernel/syscalls/syscall.tbl
>   arch/sparc/kernel/syscalls/syscall.tbl
>   arch/x86/entry/syscalls/syscall_32.tbl
>   arch/xtensa/kernel/syscalls/syscall.tbl
>   include/uapi/asm-generic/unistd.h
> 
> between commits:
> 
>   2fd0ebad27bc ("arch: Reserve map_shadow_stack() syscall number for all architectures")
> 
> from the asm-generic tree and commits:
> 
>   9f6c532f59b2 ("futex: Add sys_futex_wake()")
>   cb8c4312afca ("futex: Add sys_futex_wait()")
>   0f4b5f972216 ("futex: Add sys_futex_requeue()")
> 
> from the block tree.

fun fun fun..


> diff --cc arch/alpha/kernel/syscalls/syscall.tbl
> index 5d05ab716a74,b1865f9bb31e..000000000000
> --- a/arch/alpha/kernel/syscalls/syscall.tbl
> +++ b/arch/alpha/kernel/syscalls/syscall.tbl
> @@@ -492,4 -492,6 +492,7 @@@
>   560	common	set_mempolicy_home_node		sys_ni_syscall
>   561	common	cachestat			sys_cachestat
>   562	common	fchmodat2			sys_fchmodat2
>  -563	common	futex_wake			sys_futex_wake
>  -564	common	futex_wait			sys_futex_wait
>  -565	common	futex_requeue			sys_futex_requeue
>  +563	common	map_shadow_stack		sys_map_shadow_stack
> ++564	common	futex_wake			sys_futex_wake
> ++565	common	futex_wait			sys_futex_wait
> ++566	common	futex_requeue			sys_futex_requeue

So this renumbers the (futex) stuff on Alpha, does anybody care? AFAICT
Alpha does not follow the unistd order and meh.

> diff --cc include/uapi/asm-generic/unistd.h
> index 00df5af71ca1,d9e9cd13e577..000000000000
> --- a/include/uapi/asm-generic/unistd.h
> +++ b/include/uapi/asm-generic/unistd.h
> @@@ -822,12 -822,15 +822,18 @@@ __SYSCALL(__NR_cachestat, sys_cachestat
>   
>   #define __NR_fchmodat2 452
>   __SYSCALL(__NR_fchmodat2, sys_fchmodat2)
> + #define __NR_futex_wake 454
> + __SYSCALL(__NR_futex_wake, sys_futex_wake)
> + #define __NR_futex_wait 455
> + __SYSCALL(__NR_futex_wait, sys_futex_wait)
> + #define __NR_futex_requeue 456
> + __SYSCALL(__NR_futex_requeue, sys_futex_requeue)
>   
>  +#define __NR_map_shadow_stack 453
>  +__SYSCALL(__NR_map_shadow_stack, sys_map_shadow_stack)
>  +
>   #undef __NR_syscalls
> - #define __NR_syscalls 454
> + #define __NR_syscalls 457
>   
>   /*
>    * 32 bit systems traditionally used different

This seems to have the hunks in the wrong order, 453 should come before
454 no?


  reply	other threads:[~2023-10-09  8:48 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-09  1:31 linux-next: manual merge of the block tree with the asm-generic tree Stephen Rothwell
2023-10-09  8:48 ` Peter Zijlstra [this message]
2023-10-09  9:00   ` Arnd Bergmann
2023-10-09 14:13     ` Peter Zijlstra
2023-10-09 14:16       ` Jens Axboe
2023-10-09 14:21         ` Arnd Bergmann
2023-10-11 16:21         ` Jens Axboe
2023-10-11 17:54           ` Peter Zijlstra
2023-10-11 21:32             ` Ingo Molnar
2023-10-11 21:42               ` Jens Axboe
2023-10-11 22:01                 ` Ingo Molnar
2023-10-16 11:53                   ` Ingo Molnar
2023-10-17  1:12                     ` Stephen Rothwell
2023-10-09  9:33   ` Stephen Rothwell
2023-10-31 22:21 ` Stephen Rothwell
  -- strict thread matches above, loose matches on Subject: below --
2023-09-25  2:05 Stephen Rothwell
2023-09-25  2:09 ` Stephen Rothwell
2023-10-31 22:23   ` Stephen Rothwell

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