RE: [PATCH 07/56] microblaze_v2: Signal support | KernelTrap

RE: [PATCH 07/56] microblaze_v2: Signal support

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From: John Williams

Subject: RE: [PATCH 07/56] microblaze_v2: Signal support

Date: Monday, May 5, 2008 - 4:33 pm

On Mon, 2008-05-05 at 14:32 -0700, Stephen Neuendorffer wrote:
quoted text> (multiple places)  can this code (and flush_cache_sigtramp()) go away?
> 
> +#if 0
> +		flush_cache_sigtramp((unsigned long)frame->tramp);
> +#endif

You have to icache_invalidate the sigtramp because you are writing into
memory that will shortly be executed. 

I'm not sure why this is #if'd away in the first place?

John


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Messages in current thread:

Microblaze patches V2, monstr, (Sun May 4, 4:40 am)

[PATCH 01/56] microblaze_v2: Kconfig patches, monstr, (Sun May 4, 4:40 am)

[PATCH 02/56] microblaze_v2: Makefiles for Microblaze cpu, monstr, (Sun May 4, 4:40 am)

[PATCH 03/56] microblaze_v2: Cpuinfo handling, monstr, (Sun May 4, 4:40 am)

[PATCH 04/56] microblaze_v2: Open firmware files, monstr, (Sun May 4, 4:40 am)

[PATCH 05/56] microblaze_v2: Support for semaphores, monstr, (Sun May 4, 4:40 am)

[PATCH 06/56] microblaze_v2: exception handling, monstr, (Sun May 4, 4:40 am)

[PATCH 07/56] microblaze_v2: Signal support, monstr, (Sun May 4, 4:40 am)

[PATCH 08/56] microblaze_v2: Interrupt handling, timer sup ..., monstr, (Sun May 4, 4:40 am)

[PATCH 09/56] microblaze_v2: cache support, monstr, (Sun May 4, 4:40 am)

[PATCH 10/56] microblaze_v2: Generic dts file for platforms, monstr, (Sun May 4, 4:40 am)

[PATCH 11/56] microblaze_v2: kernel modules support, monstr, (Sun May 4, 4:41 am)

[PATCH 12/56] microblaze_v2: lmb support, monstr, (Sun May 4, 4:41 am)

[PATCH 13/56] microblaze_v2: PVR support, cpuinfo support, monstr, (Sun May 4, 4:41 am)

[PATCH 14/56] microblaze_v2: defconfig file, monstr, (Sun May 4, 4:41 am)

[PATCH 15/56] microblaze_v2: head.S + linker script, monstr, (Sun May 4, 4:41 am)

[PATCH 16/56] microblaze_v2: supported function for memory ..., monstr, (Sun May 4, 4:41 am)

[PATCH 17/56] microblaze_v2: checksum support, monstr, (Sun May 4, 4:41 am)

[PATCH 18/56] microblaze_v2: early_printk support, monstr, (Sun May 4, 4:41 am)

[PATCH 19/56] microblaze_v2: uaccess files, monstr, (Sun May 4, 4:41 am)

[PATCH 20/56] microblaze_v2: heartbeat file, monstr, (Sun May 4, 4:41 am)

[PATCH 21/56] microblaze_v2: setup.c - system setting, monstr, (Sun May 4, 4:41 am)

[PATCH 22/56] microblaze_v2: asm-offsets, monstr, (Sun May 4, 4:41 am)

[PATCH 23/56] microblaze_v2: process and init task function, monstr, (Sun May 4, 4:41 am)

[PATCH 24/56] microblaze_v2: time support, monstr, (Sun May 4, 4:41 am)

[PATCH 25/56] microblaze_v2: ptrace support, monstr, (Sun May 4, 4:41 am)

[PATCH 26/56] microblaze_v2: traps support, monstr, (Sun May 4, 4:41 am)

[PATCH 27/56] microblaze_v2: support for a.out, monstr, (Sun May 4, 4:41 am)

[PATCH 28/56] microblaze_v2: memory inicialization, MMU, TLB, monstr, (Sun May 4, 4:41 am)

[PATCH 29/56] microblaze_v2: page.h, segment.h, unaligned.h, monstr, (Sun May 4, 4:41 am)

[PATCH 30/56] microblaze_v2: includes SHM*, msgbuf, monstr, (Sun May 4, 4:41 am)

[PATCH 31/56] microblaze_v2: bug headers files, monstr, (Sun May 4, 4:41 am)

[PATCH 32/56] microblaze_v2: definitions of types, monstr, (Sun May 4, 4:41 am)

[PATCH 33/56] microblaze_v2: ioctl support, monstr, (Sun May 4, 4:41 am)

[PATCH 34/56] microblaze_v2: io.h IO operations, monstr, (Sun May 4, 4:41 am)

[PATCH 35/56] microblaze_v2: headers for executables forma ..., monstr, (Sun May 4, 4:41 am)

[PATCH 36/56] microblaze_v2: dma support, monstr, (Sun May 4, 4:41 am)

[PATCH 37/56] microblaze_v2: headers for irq, monstr, (Sun May 4, 4:41 am)

[PATCH 38/56] microblaze_v2: atomic.h bitops.h byteorder.h, monstr, (Sun May 4, 4:41 am)

[PATCH 39/56] microblaze_v2: headers pgalloc.h pgtable.h, monstr, (Sun May 4, 4:41 am)

[PATCH 40/56] microblaze_v2: system.h pvr.h processor.h, monstr, (Sun May 4, 4:41 am)

[PATCH 41/56] microblaze_v2: clinkage.h linkage.h sections ..., monstr, (Sun May 4, 4:41 am)

[PATCH 42/56] microblaze_v2: stats headers, monstr, (Sun May 4, 4:41 am)

[PATCH 43/56] microblaze_v2: termbits.h termios.h, monstr, (Sun May 4, 4:41 am)

[PATCH 44/56] microblaze_v2: sigcontext.h siginfo.h, monstr, (Sun May 4, 4:41 am)

[PATCH 45/56] microblaze_v2: headers simple files - empty ..., monstr, (Sun May 4, 4:41 am)

[PATCH 46/56] microblaze_v2: headers files entry.h current ..., monstr, (Sun May 4, 4:41 am)

[PATCH 47/56] microblaze_v2: device.h param.h topology.h, monstr, (Sun May 4, 4:41 am)

[PATCH 48/56] microblaze_v2: pool.h socket.h, monstr, (Sun May 4, 4:41 am)

[PATCH 49/56] microblaze_v2: fcntl.h sockios.h ucontext.h, monstr, (Sun May 4, 4:41 am)

[PATCH 50/56] microblaze_v2: setup.h string.h thread_info.h, monstr, (Sun May 4, 4:41 am)

[PATCH 51/56] microblaze_v2: Kbuild file, monstr, (Sun May 4, 4:41 am)

[PATCH 52/56] microblaze_v2: pci headers, monstr, (Sun May 4, 4:41 am)

[PATCH 53/56] microblaze_v2: IPC headers, monstr, (Sun May 4, 4:41 am)

[PATCH 54/56] microblaze_v2: entry.S, monstr, (Sun May 4, 4:41 am)

[PATCH 55/56] microblaze_v2: sys_microblaze.c, monstr, (Sun May 4, 4:41 am)

[PATCH 56/56] microblaze_v2: syscall_table.S and unistd.h, monstr, (Sun May 4, 4:41 am)

Re: [PATCH 07/56] microblaze_v2: Signal support, Arnd Bergmann, (Sun May 4, 12:52 pm)

Re: [PATCH 17/56] microblaze_v2: checksum support, Arnd Bergmann, (Sun May 4, 12:59 pm)

Re: [PATCH 30/56] microblaze_v2: includes SHM*, msgbuf, Arnd Bergmann, (Sun May 4, 2:10 pm)

Re: [PATCH 01/56] microblaze_v2: Kconfig patches, Grant Likely, (Sun May 4, 2:24 pm)

Re: [PATCH 32/56] microblaze_v2: definitions of types, Arnd Bergmann, (Sun May 4, 2:28 pm)

Re: [PATCH 33/56] microblaze_v2: ioctl support, Arnd Bergmann, (Sun May 4, 2:34 pm)

Re: [PATCH 38/56] microblaze_v2: atomic.h bitops.h byteorder.h, Arnd Bergmann, (Sun May 4, 2:58 pm)

Re: [PATCH 42/56] microblaze_v2: stats headers, Arnd Bergmann, (Sun May 4, 3:31 pm)

Re: [PATCH 47/56] microblaze_v2: device.h param.h topology.h, Arnd Bergmann, (Sun May 4, 3:37 pm)

Re: [PATCH 48/56] microblaze_v2: pool.h socket.h, Arnd Bergmann, (Sun May 4, 3:39 pm)

Re: [PATCH 49/56] microblaze_v2: fcntl.h sockios.h ucontext.h, Arnd Bergmann, (Sun May 4, 3:43 pm)

Re: [PATCH 52/56] microblaze_v2: pci headers, Arnd Bergmann, (Sun May 4, 3:45 pm)

Re: [PATCH 01/56] microblaze_v2: Kconfig patches, John Williams, (Sun May 4, 6:42 pm)

Re: [PATCH 02/56] microblaze_v2: Makefiles for Microblaze cpu, John Williams, (Sun May 4, 6:47 pm)

Re: [PATCH 03/56] microblaze_v2: Cpuinfo handling, John Williams, (Sun May 4, 6:52 pm)

Re: [PATCH 08/56] microblaze_v2: Interrupt handling, timer ..., John Williams, (Sun May 4, 6:58 pm)

Re: [PATCH 09/56] microblaze_v2: cache support, John Williams, (Sun May 4, 7:09 pm)

Re: [PATCH 12/56] microblaze_v2: lmb support, John Williams, (Sun May 4, 7:11 pm)

Re: [PATCH 13/56] microblaze_v2: PVR support, cpuinfo support, John Williams, (Sun May 4, 7:14 pm)

Re: [PATCH 21/56] microblaze_v2: setup.c - system setting, John Williams, (Sun May 4, 7:15 pm)

Re: [PATCH 24/56] microblaze_v2: time support, John Williams, (Sun May 4, 7:19 pm)

Re: [PATCH 35/56] microblaze_v2: headers for executables f ..., John Williams, (Sun May 4, 7:24 pm)

Re: [PATCH 36/56] microblaze_v2: dma support, John Williams, (Sun May 4, 7:25 pm)

Re: [PATCH 38/56] microblaze_v2: atomic.h bitops.h byteorder.h, John Williams, (Sun May 4, 7:28 pm)

Re: Microblaze patches V2, John Williams, (Sun May 4, 7:30 pm)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., John Williams, (Sun May 4, 7:34 pm)

Re: [PATCH 50/56] microblaze_v2: setup.h string.h thread_i ..., John Williams, (Sun May 4, 7:39 pm)

Re: [PATCH 01/56] microblaze_v2: Kconfig patches, Michal Simek, (Sun May 4, 11:36 pm)

Re: [PATCH 36/56] microblaze_v2: dma support, Geert Uytterhoeven, (Sun May 4, 11:45 pm)

Re: [PATCH 01/56] microblaze_v2: Kconfig patches, Michal Simek, (Sun May 4, 11:46 pm)

Re: Microblaze patches V2, Michal Simek, (Mon May 5, 12:02 am)

Re: [PATCH 43/56] microblaze_v2: termbits.h termios.h, Arnd Bergmann, (Mon May 5, 2:50 am)

Re: [PATCH 46/56] microblaze_v2: headers files entry.h cur ..., Arnd Bergmann, (Mon May 5, 2:54 am)

Re: [PATCH 17/56] microblaze_v2: checksum support, Michal Simek, (Mon May 5, 7:05 am)

Re: [PATCH 33/56] microblaze_v2: ioctl support, Michal Simek, (Mon May 5, 7:06 am)

Re: [PATCH 47/56] microblaze_v2: device.h param.h topology.h, Michal Simek, (Mon May 5, 7:07 am)

Re: [PATCH 49/56] microblaze_v2: fcntl.h sockios.h ucontext.h, Michal Simek, (Mon May 5, 7:08 am)

Re: [PATCH 52/56] microblaze_v2: pci headers, Michal Simek, (Mon May 5, 7:08 am)

Re: [PATCH 01/56] microblaze_v2: Kconfig patches, Michal Simek, (Mon May 5, 7:16 am)

Re: [PATCH 03/56] microblaze_v2: Cpuinfo handling, Michal Simek, (Mon May 5, 7:19 am)

Re: [PATCH 08/56] microblaze_v2: Interrupt handling, timer ..., Michal Simek, (Mon May 5, 7:20 am)

Re: [PATCH 13/56] microblaze_v2: PVR support, cpuinfo support, Michal Simek, (Mon May 5, 7:20 am)

Re: [PATCH 21/56] microblaze_v2: setup.c - system setting, Michal Simek, (Mon May 5, 7:21 am)

Re: [PATCH 24/56] microblaze_v2: time support, Michal Simek, (Mon May 5, 7:22 am)

Re: [PATCH 50/56] microblaze_v2: setup.h string.h thread_i ..., Michal Simek, (Mon May 5, 7:24 am)

Re: [PATCH 04/56] microblaze_v2: Open firmware files, Grant Likely, (Mon May 5, 7:24 am)

Re: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., Grant Likely, (Mon May 5, 7:31 am)

Re: [PATCH 18/56] microblaze_v2: early_printk support, Grant Likely, (Mon May 5, 7:36 am)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., Grant Likely, (Mon May 5, 8:10 am)

RE: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., Stephen Neuendorffer, (Mon May 5, 10:25 am)

RE: [microblaze-uclinux] [PATCH 09/56] microblaze_v2: cach ..., Stephen Neuendorffer, (Mon May 5, 10:37 am)

Re: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., Michal Simek, (Mon May 5, 1:07 pm)

Re: [PATCH 18/56] microblaze_v2: early_printk support, Michal Simek, (Mon May 5, 1:10 pm)

Re: [PATCH 12/56] microblaze_v2: lmb support, Segher Boessenkool, (Mon May 5, 2:32 pm)

RE: [PATCH 07/56] microblaze_v2: Signal support, Stephen Neuendorffer, (Mon May 5, 2:32 pm)

RE: [PATCH 04/56] microblaze_v2: Open firmware files, Stephen Neuendorffer, (Mon May 5, 2:56 pm)

RE: [PATCH 09/56] microblaze_v2: cache support, Stephen Neuendorffer, (Mon May 5, 3:37 pm)

RE: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., John Williams, (Mon May 5, 4:16 pm)

Re: [PATCH 18/56] microblaze_v2: early_printk support, John Williams, (Mon May 5, 4:22 pm)

RE: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., Stephen Neuendorffer, (Mon May 5, 4:32 pm)

RE: [PATCH 07/56] microblaze_v2: Signal support, John Williams, (Mon May 5, 4:33 pm)

RE: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., John Williams, (Mon May 5, 5:10 pm)

RE: [PATCH 07/56] microblaze_v2: Signal support, Stephen Neuendorffer, (Mon May 5, 5:13 pm)

RE: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., Stephen Neuendorffer, (Mon May 5, 5:17 pm)

RE: [PATCH 07/56] microblaze_v2: Signal support, John Williams, (Mon May 5, 5:25 pm)

Re: [PATCH 24/56] microblaze_v2: time support, John Williams, (Mon May 5, 5:30 pm)

RE: [PATCH 07/56] microblaze_v2: Signal support, Stephen Neuendorffer, (Mon May 5, 5:33 pm)

Re: [PATCH 04/56] microblaze_v2: Open firmware files, Michal Simek, (Tue May 6, 12:27 am)

Re: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., Michal Simek, (Tue May 6, 12:38 am)

Re: [PATCH 10/56] microblaze_v2: Generic dts file for plat ..., Michal Simek, (Tue May 6, 12:50 am)

Re: [PATCH 18/56] microblaze_v2: early_printk support, Michal Simek, (Tue May 6, 1:14 am)

Re: [PATCH 38/56] microblaze_v2: atomic.h bitops.h byteorder.h, Michal Simek, (Tue May 6, 1:42 am)

Re: [PATCH 02/56] microblaze_v2: Makefiles for Microblaze cpu, Michal Simek, (Tue May 6, 1:51 am)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., Arnd Bergmann, (Tue May 6, 2:02 am)

Re: [PATCH 46/56] microblaze_v2: headers files entry.h cur ..., Michal Simek, (Tue May 6, 2:07 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Michal Simek, (Tue May 6, 2:16 am)

Re: [microblaze-uclinux] [PATCH 09/56] microblaze_v2: cach ..., Michal Simek, (Tue May 6, 2:22 am)

Re: [PATCH 07/56] microblaze_v2: Signal support, Michal Simek, (Tue May 6, 2:41 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Geert Uytterhoeven, (Tue May 6, 2:48 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Michal Simek, (Tue May 6, 2:53 am)

Re: [PATCH 24/56] microblaze_v2: time support, Michal Simek, (Tue May 6, 2:56 am)

Re: [PATCH 24/56] microblaze_v2: time support, Michal Simek, (Tue May 6, 3:02 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Geert Uytterhoeven, (Tue May 6, 4:17 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Arnd Bergmann, (Tue May 6, 4:24 am)

Re: [PATCH 24/56] microblaze_v2: time support, Arnd Bergmann, (Tue May 6, 4:38 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Michal Simek, (Tue May 6, 6:20 am)

Re: [PATCH 24/56] microblaze_v2: time support, Michal Simek, (Tue May 6, 6:26 am)

Re: [PATCH 24/56] microblaze_v2: time support, Grant Likely, (Tue May 6, 7:28 am)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., Stephen Rothwell, (Tue May 6, 7:47 am)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., Michal Simek, (Tue May 6, 8:23 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Arnd Bergmann, (Tue May 6, 8:36 am)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., Grant Likely, (Tue May 6, 8:38 am)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., Arnd Bergmann, (Tue May 6, 9:21 am)

RE: [PATCH 24/56] microblaze_v2: time support, Stephen Neuendorffer, (Tue May 6, 9:36 am)

Re: [PATCH 46/56] microblaze_v2: headers files entry.h cur ..., Geert Uytterhoeven, (Tue May 6, 1:57 pm)

Re: [PATCH 24/56] microblaze_v2: time support, John Williams, (Tue May 6, 3:50 pm)

Re: [PATCH 36/56] microblaze_v2: dma support, Michal Simek, (Tue May 6, 11:24 pm)

Re: [PATCH 08/56] microblaze_v2: Interrupt handling, timer ..., Thomas Gleixner, (Wed May 7, 12:04 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Geert Uytterhoeven, (Wed May 7, 12:17 am)

Re: [PATCH 24/56] microblaze_v2: time support, Thomas Gleixner, (Wed May 7, 12:22 am)

Re: [PATCH 37/56] microblaze_v2: headers for irq, Thomas Gleixner, (Wed May 7, 12:26 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Arnd Bergmann, (Wed May 7, 2:21 am)

RE: [microblaze-uclinux] [PATCH 04/56] microblaze_v2: Open ..., Stephen Neuendorffer, (Wed May 7, 9:04 am)

Re: [microblaze-uclinux] [PATCH 04/56] microblaze_v2: Open ..., Michal Simek, (Wed May 7, 11:40 am)

Re: [PATCH 36/56] microblaze_v2: dma support, Michal Simek, (Wed May 7, 11:43 am)

Re: [PATCH 45/56] microblaze_v2: headers simple files - em ..., Michal Simek, (Wed May 7, 11:46 am)

Re: [microblaze-uclinux] [PATCH 04/56] microblaze_v2: Open ..., Grant Likely, (Wed May 7, 11:59 am)

Re: [microblaze-uclinux] [PATCH 04/56] microblaze_v2: Open ..., Michal Simek, (Wed May 7, 12:12 pm)

RE: [microblaze-uclinux] [PATCH 04/56] microblaze_v2: Open ..., Stephen Neuendorffer, (Wed May 7, 1:14 pm)

Re: [PATCH 08/56] microblaze_v2: Interrupt handling, timer ..., Michal Simek, (Sun May 11, 6:55 am)

Re: [PATCH 37/56] microblaze_v2: headers for irq, Michal Simek, (Sun May 11, 6:56 am)

Re: [PATCH 08/56] microblaze_v2: Interrupt handling, timer ..., Thomas Gleixner, (Sun May 11, 7:35 am)

Re: [PATCH 08/56] microblaze_v2: Interrupt handling, timer ..., Michal Simek, (Sun May 11, 2:55 pm)

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