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Date: Wed, 10 Oct 2018 08:23:27 +0200
From: Michal Simek <michal.simek@...inx.com>
To: Firoz Khan <firoz.khan@...aro.org>,
Michal Simek <michal.simek@...inx.com>
CC: Michal Simek <monstr@...str.eu>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Philippe Ombredanne <pombredanne@...b.com>,
Thomas Gleixner <tglx@...utronix.de>,
Kate Stewart <kstewart@...uxfoundation.org>,
y2038 Mailman List <y2038@...ts.linaro.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux-Arch <linux-arch@...r.kernel.org>,
Arnd Bergmann <arnd@...db.de>,
Deepa Dinamani <deepa.kernel@...il.com>,
Marcin Juszkiewicz <marcin.juszkiewicz@...aro.org>
Subject: Re: [PATCH v2 3/3] microblaze: uapi header and system call table file
generation
On 10.10.2018 05:14, Firoz Khan wrote:
> Hi Michal,
>
> On Thu, 4 Oct 2018 at 16:05, Firoz Khan <firoz.khan@...aro.org> wrote:
>>
>> Hi Michal,
>>
>> On Wed, 3 Oct 2018 at 16:56, Michal Simek <michal.simek@...inx.com> wrote:
>>>
>>> On 3.10.2018 07:08, Firoz Khan wrote:
>>>> Hi Michal,
>>>>
>>>> On Tue, 2 Oct 2018 at 19:37, Michal Simek <michal.simek@...inx.com> wrote:
>>>>>
>>>>> On 1.10.2018 14:43, Firoz Khan wrote:
>>>>>> System call table generation script must be run to generate
>>>>>> 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
>>>>>> arch/microblaze/Makefile and the generated files against the
>>>>>> removed files will be identical.
>>>>>>
>>>>>> The generated uapi header file will be included in
>>>>>> uapi/asm/unistd.h and generated system call table support
>>>>>> file will be included by kernel/syscall_table.S file.
>>>>>>
>>>>>> Signed-off-by: Firoz Khan <firoz.khan@...aro.org>
>>>>>> ---
>>>>>> arch/microblaze/Makefile | 3 +
>>>>>> arch/microblaze/include/asm/Kbuild | 1 +
>>>>>> arch/microblaze/include/uapi/asm/Kbuild | 1 +
>>>>>> arch/microblaze/include/uapi/asm/unistd.h | 411 +-----------------------------
>>>>>> arch/microblaze/kernel/syscall_table.S | 406 +----------------------------
>>>>>> 5 files changed, 10 insertions(+), 812 deletions(-)
>>>>>>
>>>>>> diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
>>>>>> index 4f3ab57..cda5e03 100644
>>>>>> --- a/arch/microblaze/Makefile
>>>>>> +++ b/arch/microblaze/Makefile
>>>>>> @@ -81,6 +81,9 @@ all: linux.bin
>>>>>> archclean:
>>>>>> $(Q)$(MAKE) $(clean)=$(boot)
>>>>>>
>>>>>> +archheaders:
>>>>>> + $(Q)$(MAKE) $(build)=arch/microblaze/kernel/syscalls all
>>>>>> +
>>>>>> linux.bin linux.bin.gz linux.bin.ub: vmlinux
>>>>>> $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
>>>>>>
>>>>>> diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
>>>>>> index 569ba9e..d64f5e7 100644
>>>>>> --- a/arch/microblaze/include/asm/Kbuild
>>>>>> +++ b/arch/microblaze/include/asm/Kbuild
>>>>>> @@ -31,3 +31,4 @@ generic-y += trace_clock.h
>>>>>> generic-y += vga.h
>>>>>> generic-y += word-at-a-time.h
>>>>>> generic-y += xor.h
>>>>>> +generic-y += syscall_table.h
>>>>>> \ No newline at end of file
>>>>>
>>>>> Still the problem with "No newline at end of file"
>>>>>
>>>>>> diff --git a/arch/microblaze/include/uapi/asm/Kbuild b/arch/microblaze/include/uapi/asm/Kbuild
>>>>>> index 2c6a6bf..3a40659 100644
>>>>>> --- a/arch/microblaze/include/uapi/asm/Kbuild
>>>>>> +++ b/arch/microblaze/include/uapi/asm/Kbuild
>>>>>> @@ -28,3 +28,4 @@ generic-y += termbits.h
>>>>>> generic-y += termios.h
>>>>>> generic-y += types.h
>>>>>> generic-y += ucontext.h
>>>>>> +generic-y += unistd_32.h
>>>>>> \ No newline at end of file
>>>>>
>>>>> and here too.
>>>>
>>>> Thanks for your comment. checkpatch script didn't warn this one:(
>>>> Hopefully, I can fix this one in the next version.
>>>>
>>>> I would appreciate if you can perform the boot test on the actual
>>>> platform and share the result with me.
>>>
>>> I see one issue there.
>>> Run
>>> make mrproper
>>> make ARCH=microblaze headers_install INSTALL_HDR_PATH=/tmp/1/
>>>
>>> And then
>>>
>>> make mrproper
>>> make archheaders V=1
>>> make ARCH=microblaze headers_install INSTALL_HDR_PATH=/tmp/2/
>>>
>>> And compare output.
>>> What I see is that in the first part asm/unistd_32.h pointing to
>>> asm-generic/unistd_32.h
>>>
>>> But when archheaders is run before there is expected content.
>>>
>>> That means there is incorrect/missing dependency in Makefiles.
>>>
>>>
>>> Time to time I am able to see compilation warnings
>>> but I didn't find exact steps to replicate this but it also looks like
>>> on missing dependency somewhere.
>>>
>>> [linux](next)$ make mmu_defconfig
>>> #
>>> # configuration written to .config
>>> #
>>> [linux](next)$ make -j8 simpleImage.system
>>> WRAP arch/microblaze/include/generated/asm/barrier.h
>>> WRAP arch/microblaze/include/generated/asm/bitops.h
>>> WRAP arch/microblaze/include/generated/asm/bug.h
>>> WRAP arch/microblaze/include/generated/asm/bugs.h
>>> WRAP arch/microblaze/include/generated/asm/device.h
>>> WRAP arch/microblaze/include/generated/asm/compat.h
>>> WRAP arch/microblaze/include/generated/asm/div64.h
>>> WRAP arch/microblaze/include/generated/asm/dma-mapping.h
>>> WRAP arch/microblaze/include/generated/asm/emergency-restart.h
>>> WRAP arch/microblaze/include/generated/asm/exec.h
>>> WRAP arch/microblaze/include/generated/asm/extable.h
>>> WRAP arch/microblaze/include/generated/asm/fb.h
>>> WRAP arch/microblaze/include/generated/asm/hardirq.h
>>> WRAP arch/microblaze/include/generated/asm/irq_regs.h
>>> WRAP arch/microblaze/include/generated/asm/kdebug.h
>>> WRAP arch/microblaze/include/generated/asm/kmap_types.h
>>> WRAP arch/microblaze/include/generated/asm/irq_work.h
>>> WRAP arch/microblaze/include/generated/asm/kprobes.h
>>> WRAP arch/microblaze/include/generated/asm/linkage.h
>>> WRAP arch/microblaze/include/generated/asm/local.h
>>> WRAP arch/microblaze/include/generated/asm/local64.h
>>> WRAP arch/microblaze/include/generated/asm/mcs_spinlock.h
>>> WRAP arch/microblaze/include/generated/asm/mm-arch-hooks.h
>>> WRAP arch/microblaze/include/generated/asm/parport.h
>>> WRAP arch/microblaze/include/generated/asm/percpu.h
>>> WRAP arch/microblaze/include/generated/asm/preempt.h
>>> WRAP arch/microblaze/include/generated/asm/topology.h
>>> WRAP arch/microblaze/include/generated/asm/syscalls.h
>>> WRAP arch/microblaze/include/generated/asm/trace_clock.h
>>> WRAP arch/microblaze/include/generated/asm/vga.h
>>> WRAP arch/microblaze/include/generated/asm/serial.h
>>> WRAP arch/microblaze/include/generated/asm/word-at-a-time.h
>>> WRAP arch/microblaze/include/generated/asm/xor.h
>>> HOSTCC scripts/bin2c
>>> HOSTCC scripts/kallsyms
>>> HOSTCC scripts/dtc/dtc.o
>>> HOSTCC scripts/mod/mk_elfconfig
>>> HOSTCC scripts/sortextable
>>> CC scripts/mod/empty.o
>>> HOSTCC scripts/dtc/flattree.o
>>> UPD include/config/kernel.release
>>> HOSTCC scripts/dtc/fstree.o
>>> HOSTCC scripts/dtc/data.o
>>> HOSTCC scripts/dtc/livetree.o
>>> CC scripts/mod/devicetable-offsets.s
>>> HOSTCC scripts/dtc/treesource.o
>>> HOSTCC scripts/dtc/srcpos.o
>>> MKELF scripts/mod/elfconfig.h
>>> UPD scripts/mod/devicetable-offsets.h
>>> HOSTCC scripts/dtc/checks.o
>>> HOSTCC scripts/dtc/util.o
>>> HOSTCC scripts/mod/sumversion.o
>>> LEX scripts/dtc/dtc-lexer.lex.c
>>> YACC scripts/dtc/dtc-parser.tab.h
>>> YACC scripts/dtc/dtc-parser.tab.c
>>> UPD include/generated/utsrelease.h
>>> HOSTCC scripts/dtc/dtc-lexer.lex.o
>>> CC kernel/bounds.s
>>> UPD include/generated/timeconst.h
>>> HOSTCC scripts/dtc/dtc-parser.tab.o
>>> HOSTCC scripts/mod/file2alias.o
>>> HOSTCC scripts/mod/modpost.o
>>> UPD include/generated/bounds.h
>>> CC arch/microblaze/kernel/asm-offsets.s
>>> In file included from ./arch/microblaze/include/uapi/asm/unistd.h:14:0,
>>> from ./arch/microblaze/include/asm/unistd.h:12,
>>> from ./include/uapi/linux/unistd.h:8,
>>> from ./arch/microblaze/include/asm/seccomp.h:5,
>>> from ./include/linux/seccomp.h:14,
>>> from ./include/linux/sched.h:21,
>>> from arch/microblaze/kernel/asm-offsets.c:13:
>>> ./arch/microblaze/include/generated/uapi/asm/unistd_32.h:1:35: fatal
>>> error: asm-generic/unistd_32.h: No such file or directory
>>> #include <asm-generic/unistd_32.h>
>>> ^
>>> compilation terminated.
>>> make[1]: *** [arch/microblaze/kernel/asm-offsets.s] Error 1
>>> make: *** [prepare0] Error 2
>>> make: *** Waiting for unfinished jobs....
>>> HOSTLD scripts/dtc/dtc
>>> HOSTLD scripts/mod/modpost
>>>
>>>
>>>
>>> When build is fine system is booting fine (v4.19-rc6 + your patches).
>>
>> Thanks for your support. I'll work on the same which shared above.
>> I'll update you asap with the fix.
>
> I'm bit busy this week, working on parisc and ia64 support.
> Hopefully I can update you next week.
no worries.
M
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