From: Guenter Roeck <linux@roeck-us.net>
To: guoren@kernel.org
Cc: palmer@dabbelt.com, arnd@arndb.de, gregkh@linuxfoundation.org,
hch@lst.de, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-csky@vger.kernel.org, linux-s390@vger.kernel.org,
sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-parisc@vger.kernel.org, linux-mips@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, x86@kernel.org,
heiko@sntech.de, Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [PATCH V9 20/20] riscv: compat: Add COMPAT Kbuild skeletal support
Date: Sun, 22 May 2022 22:45:50 -0700 [thread overview]
Message-ID: <20220523054550.GA1511899@roeck-us.net> (raw)
In-Reply-To: <20220322144003.2357128-21-guoren@kernel.org>
On Tue, Mar 22, 2022 at 10:40:03PM +0800, guoren@kernel.org wrote:
> From: Guo Ren <guoren@linux.alibaba.com>
>
> Adds initial skeletal COMPAT Kbuild (Running 32bit U-mode on
> 64bit S-mode) support.
> - Setup kconfig & dummy functions for compiling.
> - Implement compat_start_thread by the way.
>
> Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
> Signed-off-by: Guo Ren <guoren@kernel.org>
> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
> Tested-by: Heiko Stuebner <heiko@sntech.de>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
With this patch in linux-next, all my riscv64 emulations crash.
[ 11.600082] Run /sbin/init as init process
[ 11.628561] init[1]: unhandled signal 11 code 0x1 at 0x0000000000000000 in libc.so[ffffff8ad39000+a4000]
[ 11.629398] CPU: 0 PID: 1 Comm: init Not tainted 5.18.0-rc7-next-20220520 #1
[ 11.629462] Hardware name: riscv-virtio,qemu (DT)
[ 11.629546] epc : 00ffffff8ada1100 ra : 00ffffff8ada13c8 sp : 00ffffffc58199f0
[ 11.629586] gp : 00ffffff8ad39000 tp : 00ffffff8ade0998 t0 : ffffffffffffffff
[ 11.629598] t1 : 00ffffffc5819fd0 t2 : 0000000000000000 s0 : 00ffffff8ade0cc0
[ 11.629610] s1 : 00ffffff8ade0cc0 a0 : 0000000000000000 a1 : 00ffffffc5819a00
[ 11.629622] a2 : 0000000000000001 a3 : 000000000000001e a4 : 00ffffffc5819b00
[ 11.629634] a5 : 00ffffffc5819b00 a6 : 0000000000000000 a7 : 0000000000000000
[ 11.629645] s2 : 00ffffff8ade0ac8 s3 : 00ffffff8ade0ec8 s4 : 00ffffff8ade0728
[ 11.629656] s5 : 00ffffff8ade0a90 s6 : 0000000000000000 s7 : 00ffffffc5819e40
[ 11.629667] s8 : 00ffffff8ade0ca0 s9 : 00ffffff8addba50 s10: 0000000000000000
[ 11.629678] s11: 0000000000000000 t3 : 0000000000000002 t4 : 0000000000000001
[ 11.629688] t5 : 0000000000020000 t6 : ffffffffffffffff
[ 11.629699] status: 0000000000004020 badaddr: 0000000000000000 cause: 000000000000000d
[ 11.633421] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 11.633664] CPU: 0 PID: 1 Comm: init Not tainted 5.18.0-rc7-next-20220520 #1
[ 11.633784] Hardware name: riscv-virtio,qemu (DT)
[ 11.633881] Call Trace:
[ 11.633960] [<ffffffff80005e72>] dump_backtrace+0x1c/0x24
[ 11.634162] [<ffffffff809aa9ec>] show_stack+0x2c/0x38
[ 11.634274] [<ffffffff809b8482>] dump_stack_lvl+0x60/0x8e
[ 11.634386] [<ffffffff809b84c4>] dump_stack+0x14/0x1c
[ 11.634491] [<ffffffff809aaca0>] panic+0x116/0x2e2
[ 11.634596] [<ffffffff80015540>] do_exit+0x7ce/0x7d4
[ 11.634707] [<ffffffff80015666>] do_group_exit+0x24/0x7c
[ 11.634817] [<ffffffff80022294>] get_signal+0x7ee/0x830
[ 11.634924] [<ffffffff800051c0>] do_notify_resume+0x6c/0x41c
[ 11.635037] [<ffffffff80003ad4>] ret_from_exception+0x0/0x10
Guenter
---
# bad: [18ecd30af1a8402c162cca1bd58771c0e5be7815] Add linux-next specific files for 20220520
# good: [42226c989789d8da4af1de0c31070c96726d990c] Linux 5.18-rc7
git bisect start 'HEAD' 'v5.18-rc7'
# bad: [f9b63740b666dd9887eb0282d21b5f65bb0cadd0] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
git bisect bad f9b63740b666dd9887eb0282d21b5f65bb0cadd0
# bad: [7db97132097c5973ff77466d0ee681650af653de] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
git bisect bad 7db97132097c5973ff77466d0ee681650af653de
# good: [2b7d17d4b7c1ff40f58b0d32be40fc0bb6c582fb] soc: document merges
git bisect good 2b7d17d4b7c1ff40f58b0d32be40fc0bb6c582fb
# good: [69c9668f853fdd409bb8abbb37d615785510b29a] Merge branch 'clk-next' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git
git bisect good 69c9668f853fdd409bb8abbb37d615785510b29a
# bad: [1577f290aa0d4c5b29c03c46ef52e4952a21bfbb] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git
git bisect bad 1577f290aa0d4c5b29c03c46ef52e4952a21bfbb
# good: [34f0971f8ca73d7e5502b4cf299788a9402120f7] powerpc/powernv/flash: Check OPAL flash calls exist before using
git bisect good 34f0971f8ca73d7e5502b4cf299788a9402120f7
# good: [0349d7dfc70a26b3facd8ca97de34980d4b60954] Merge branch 'mips-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git
git bisect good 0349d7dfc70a26b3facd8ca97de34980d4b60954
# bad: [20bfb54d3b121699674c17a854c5ebc7a8f97d81] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
git bisect bad 20bfb54d3b121699674c17a854c5ebc7a8f97d81
# bad: [9be8459298eadb39b9fe9974b890239e9c123107] riscv: compat: Add COMPAT Kbuild skeletal support
git bisect bad 9be8459298eadb39b9fe9974b890239e9c123107
# good: [01abdfeac81b5f56062d0a78f2cdc805db937a75] riscv: compat: Support TASK_SIZE for compat mode
git bisect good 01abdfeac81b5f56062d0a78f2cdc805db937a75
# good: [f4b395e6f1a588ed6c9a30474e58cf6b27b65783] riscv: compat: Add hw capability check for elf
git bisect good f4b395e6f1a588ed6c9a30474e58cf6b27b65783
# good: [3092eb45637573c5e435fbf5eaf9516316e5f9c6] riscv: compat: vdso: Add setup additional pages implementation
git bisect good 3092eb45637573c5e435fbf5eaf9516316e5f9c6
# good: [4608c159594fb40a5101357d4f614fdde9ce1fdb] riscv: compat: ptrace: Add compat_arch_ptrace implement
git bisect good 4608c159594fb40a5101357d4f614fdde9ce1fdb
# first bad commit: [9be8459298eadb39b9fe9974b890239e9c123107] riscv: compat: Add COMPAT Kbuild skeletal support
next prev parent reply other threads:[~2022-05-23 5:46 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-22 14:39 [PATCH V9 00/20] riscv: compat: Add COMPAT Kbuild skeletal support guoren
2022-03-22 14:39 ` [PATCH V9 01/20] uapi: simplify __ARCH_FLOCK{,64}_PAD a little guoren
2022-03-22 14:39 ` [PATCH V9 02/20] uapi: always define F_GETLK64/F_SETLK64/F_SETLKW64 in fcntl.h guoren
2022-03-22 14:39 ` [PATCH V9 03/20] compat: consolidate the compat_flock{,64} definition guoren
2022-03-22 14:39 ` [PATCH V9 04/20] kconfig: Add SYSVIPC_COMPAT for all architectures guoren
2022-03-22 14:39 ` [PATCH V9 05/20] fs: stat: compat: Add __ARCH_WANT_COMPAT_STAT guoren
2022-03-22 14:39 ` [PATCH V9 06/20] asm-generic: compat: Cleanup duplicate definitions guoren
2022-03-22 14:39 ` [PATCH V9 07/20] syscalls: compat: Fix the missing part for __SYSCALL_COMPAT guoren
2022-03-22 14:39 ` [PATCH V9 08/20] riscv: Fixup difference with defconfig guoren
2022-03-22 14:39 ` [PATCH V9 09/20] riscv: compat: Add basic compat data type implementation guoren
2022-03-22 14:39 ` [PATCH V9 10/20] riscv: compat: Re-implement TASK_SIZE for COMPAT_32BIT guoren
2022-03-22 14:39 ` [PATCH V9 11/20] riscv: compat: syscall: Add compat_sys_call_table implementation guoren
2022-03-23 13:40 ` Guo Ren
2022-03-22 14:39 ` [PATCH V9 12/20] riscv: compat: syscall: Add entry.S implementation guoren
2022-03-22 14:39 ` [PATCH V9 13/20] riscv: compat: process: Add UXL_32 support in start_thread guoren
2022-03-22 14:39 ` [PATCH V9 14/20] riscv: compat: Add elf.h implementation guoren
2022-03-22 14:39 ` [PATCH V9 15/20] riscv: compat: Add hw capability check for elf guoren
2022-03-22 14:39 ` [PATCH V9 16/20] riscv: compat: vdso: Add COMPAT_VDSO base code implementation guoren
2022-03-22 14:40 ` [PATCH V9 17/20] riscv: compat: vdso: Add setup additional pages implementation guoren
2022-03-22 14:40 ` [PATCH V9 18/20] riscv: compat: signal: Add rt_frame implementation guoren
2022-03-22 14:40 ` [PATCH V9 19/20] riscv: compat: ptrace: Add compat_arch_ptrace implement guoren
2022-03-22 14:40 ` [PATCH V9 20/20] riscv: compat: Add COMPAT Kbuild skeletal support guoren
2022-05-23 5:45 ` Guenter Roeck [this message]
2022-05-23 15:18 ` Guo Ren
2022-05-23 16:18 ` Guenter Roeck
2022-05-23 22:40 ` Heiko Stübner
2022-05-23 23:00 ` Guenter Roeck
2022-05-24 14:41 ` Heiko Stübner
2022-05-24 17:42 ` Guo Ren
2022-05-24 17:46 ` Guo Ren
2022-05-24 22:06 ` Guenter Roeck
2022-05-25 10:57 ` Heiko Stübner
2022-05-25 11:10 ` Heiko Stübner
2022-05-25 16:08 ` Guo Ren
2022-05-25 19:37 ` Heiko Stübner
2022-05-26 0:39 ` Guo Ren
2022-03-22 21:00 ` [PATCH V9 00/20] " Palmer Dabbelt
2022-04-02 12:53 ` Guo Ren
2022-04-02 13:16 ` Guo Ren
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