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* microblaze: entry.S: Macro optimizationMichal Simek2010-08-041-12/+12
| | | | | | | | We are not working with values from MSR that's why we can discard it and use r11 for different purpose without saving/restoring. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Optimize hw exception rutineMichal Simek2010-08-041-16/+6
| | | | | | | Remove set_vms because UMS is cleared and VMS is already setup. Optimize function calling which save one additional instruction. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Implement clear_ums macro and fix SAVE_STATE macroMichal Simek2010-08-041-0/+15
| | | | | | | | | VMS is always setup because VM mode was before exception/syscall/interrupt. Kernel continues in kernel mode that's why we have to clear UMS bit if kernel comes from user space. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Remove additional setup for kernel_modeMichal Simek2010-08-041-15/+10
| | | | | | | | | | | PT_MODE stores information if kernel comes from user or kernel space. If come from user space, PT_MODE contains 0. If come from kernel store, PT_MODE contains non zero value. We don't need to save value 1. I am using r1 register which contains non zero value. This change save one additional instruction. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Optimize SAVE_STATE macroMichal Simek2010-08-041-8/+13
| | | | | | | SAVE_STATE macro could be used for user_exception or interrupt functions. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Remove additional loadingMichal Simek2010-08-041-5/+0
| | | | | | | We don't need to save r0 to PT_R0. It could be additional operation. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Completely remove working with R11 registerMichal Simek2010-08-041-41/+21
| | | | | | | We don't need to save R11 register. There is easy way to use only R1 which is saved and restore later. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Do not setup BIP in _debug_exceptionMichal Simek2010-08-041-3/+0
| | | | | | BIP is already setup. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Simplify _debug_exception functionMichal Simek2010-08-041-5/+2
| | | | | | | | | | | | | | | | | | | | Keep together all arguments for send_sig function. Move returning address to delay slot which is executed. Remove additional send_sig loading. I am using IMM part of rtbd instruction with r0. old solution: addik r11, r0, send_sig rtbd r11, 0 nop new solution: rtbd r0, send_sig nop There is one instruction saving. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Optimize SAVE_STATE macroMichal Simek2010-08-041-6/+14
| | | | | | | | | | | | | | | | | | | It is necessary to setup BIP and EE and clear EIP only for unaligned exception handler. The rest of hw exception handlers don't require it. HW exception occured and we are not in virtual mode. That's why we can do operations protected by EIP. Interrupt, next hw exception or syscall can't occur. EIP is cleared by rted. This change speedup page_fault hw exception handler which is critical path. There is also necessary to save R11 content before flag setup for unaligned exception. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: trivial: Use la insted of addikMichal Simek2010-08-041-32/+32
| | | | | | la is translated to addik by toolchain. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: remove enable_irq from SAVE_STATE macroMichal Simek2010-08-041-1/+0
| | | | | | | | SAVE_STATE macro is used in hw exceptions high level handling functions. Hw exception doesn't disable IRQ that's why we don't need to reenable it. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Move stack backup to SAVE_STATE macroMichal Simek2010-08-041-4/+1
| | | | | | | Remove code duplicity and move it to SAVE_STATE macro. There is no impact on performance. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Move BIP setup to the end of ret_from_trap/ret_from_excMichal Simek2010-08-041-6/+6
| | | | | | | | We don't need to protect by BIP whole ret_from_trap/ret_from_exc code. Only restoring from user/hw exception should be covered. If BIP is setup, IRQ can't occur. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Remove PER_CPU(KM) variableMichal Simek2010-08-041-23/+20
| | | | | | | | | There is a way howto remove Kernel Mode variable. It is easier to parse UMS bit in MSR to find out if I come from kernel or user space. Loading MSR content should be in one cycle and loading PER_CPU variable depends on memory state. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Optimize clear_vms_ums macroMichal Simek2010-08-041-3/+1
| | | | | | | We can save two instruction when MSR_VMS and MSR_UMS are setup in one instruction. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Save and restore r3/r4 in SAVE/RESTORE_REGS macrosMichal Simek2010-08-041-40/+8
| | | | | | | | | | | Save and restore R3/R4 registers in macros. This change help to cleanup entry.S. In ret_from_trap function we are saving returning value from syscall to pt_regs on stack that's why we don't need to save and restore these values before kernel functions (schedule, do_signal). Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Fix VM_ON and VM_OFF macrosMichal Simek2010-08-041-4/+6
| | | | | | Jump behind macro. We don't want to execute nop instruction again. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Do not use _start in vmlinuxMichal Simek2010-08-042-3/+3
| | | | | | | | _start symbol stores physical address where kernel is. Gdb uses this symbol for their purpose that's why we have to rename it. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Cleanup boot/MakefileMichal Simek2010-08-041-5/+6
| | | | | | Remove spaces and use tabs instead. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Fix number of pvr regsMichal Simek2010-08-041-1/+1
| | | | | | Microblaze has only 11 pvr regs according manual. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Decrease time shifting valuesMichal Simek2010-08-041-4/+5
| | | | | | | Lower shifting values ensure that shifted 32bit counter value doesn't exceed 64bit cycle variable too fast. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Enable early printk only for uartliteMichal Simek2010-08-041-0/+1
| | | | | | | | Microblaze has support for early printk. The second serial driver (uart16550/8250) has no microblaze support for early printk. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: remove unused HAVE_ARCH_PCI_SET_DMA_MASKFUJITA Tomonori2010-08-041-6/+0
| | | | | | | | HAVE_ARCH_PCI_SET_DMA_MASK was removed in 2.6.34 (no architecture has the own implementation of pci_set_dma_mask). Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Do not trace cpu_relax functionMichal Simek2010-08-041-2/+5
| | | | | | | IRQsoff tracer requires to protect cpu_idle function to get correct timing report. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Improve ftrace time measuringMichal Simek2010-08-042-2/+17
| | | | | | | I had to comment sched_clock generic function because of broken toolchain. It is fine grain timing. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Add stack unwinderSteven J. Magnani2010-08-0410-95/+454
| | | | | | | | | | | | | | | | | | Implement intelligent backtracing by searching for stack frame creation, and emitting only return addresses. Use print_hex_dump() to display the entire binary kernel stack. Limitation: MMU kernels are not currently able to trace beyond a system trap (interrupt, syscall, etc.). It is the intent of this patch to provide infrastructure that can be extended to add this capability later. Changes from V1: * Removed checks in find_frame_creation() that prevented location of the frame creation instruction in heavily optimized code * Various formatting/commenting/file location tweaks per review comments * Dropped Kconfig option to enable STACKTRACE as something logically separate Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
* microblaze: Allow PAGE_SIZE configurationSteven J. Magnani2010-08-046-11/+50
| | | | | | | | | | Allow developer to configure memory page size at compile time. Larger pages can improve performance on some workloads. Based on PowerPC code. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Trace hardirqsMichal Simek2010-08-041-0/+2
| | | | | | Add trace_hardirqs_off and trace_hardirqs_on to do_IRQ function. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Fix sys_clone syscallMichal Simek2010-08-041-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | sys_clone syscall ignored args which this patch mapped to args which are passing from glibc. Here is the origin problem description. "I ran the static libgcc tests (very few of them are there, they are mostly dynamically linked) and some of them fail with an assertion in fork() system call (tid != pid), I looked at the microblaze/entry.S file and it looks suspicious (ignores arguments 3-5)" Arg mapping should be: glibc ARCH_FORK(...) -> do_fork(...) r5 -> r5 (clone_flags) r6 -> r6 (stack_start, use parent->stack if NULL) pt_regs -> r7 (pt_regs) r7 -> r8 (stack_size) r8 -> r9 (parent_tidptr) r9 -> r10 (child_tidptr) Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Fix copy_to_user_page macroMichal Simek2010-08-042-2/+19
| | | | | | | | | | | | | | | | | | | | | | | copy_to_user_page macro is used in mm/memory.c:access_process_vm function. This function is called from ptrace code (POKETEXT, POKEDATA) which write data to memory. Microblaze handle physical address for caches that's why there is virt_to_phys conversion. There is potential one location which can caused the problem on WB system. The important is take a look at write PTRACEs requests (POKE/TEXT, DATA, USR). Note: Majority of Microblaze PTRACE code is moved to generic location in newer kernel version that's why this solution should work on the newest kernel version too. linux/io.h is in cacheflush because of mm/nommu.c Tested on a WB system - hello world debugging. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Sync noMMU and MMU setup_memoryMichal Simek2010-08-041-6/+1
| | | | | | Both versions can use the same node to register NODE_DATA(0) Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Remove unused labelMichal Simek2010-08-041-1/+0
| | | | | | | | | | | The label should be remove by 21e1c93631e027136ea4070e7bca600c4ad4f391 Warning message: arch/microblaze/mm/fault.c: In function 'do_page_fault': arch/microblaze/mm/fault.c:229: warning: label 'survive' defined but not used Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Implement flush_dcache_page macroMichal Simek2010-08-041-4/+10
| | | | | | | flush_dcache_page macro is necessary to implement for JFFS2 rootfs support on WB system. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Fix comment for TLBMichal Simek2010-08-021-1/+1
| | | | | | | There is wrong comment for TLB. Early printk uartlite console uses TLB 63. Signed-off-by: Michal Simek <monstr@monstr.eu>
* microblaze: Fix __copy_to/from_user_inatomic macrosMichal Simek2010-08-021-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | __copy_to/from_user_inatomic should call __copy_to/from_user because there is not necessary to check access because of kernel function. might_sleep in copy_to/from_user macros is causing problems in debug sessions too (CONFIG_DEBUG_SPINLOCK_SLEEP). BUG: sleeping function called from invalid context at .../arch/microblaze/include/asm/uaccess.h:388 in_atomic(): 1, irqs_disabled(): 0, pid: 1, name: swapper 1 lock held by swapper/1: #0: (&p->cred_guard_mutex){......}, at: [<c00d4b90>] prepare_bprm_creds+0x2c/0x88 Kernel Stack: ... Call Trace: [<c0006bd4>] microblaze_unwind+0x7c/0x94 [<c0006684>] show_stack+0xf4/0x190 [<c0006730>] dump_stack+0x10/0x30 [<c00103a0>] __might_sleep+0x12c/0x160 [<c0090de4>] file_read_actor+0x1d8/0x2a8 [<c0091568>] generic_file_aio_read+0x6b4/0xa64 [<c00cd778>] do_sync_read+0xac/0x110 [<c00ce254>] vfs_read+0xc8/0x160 [<c00d585c>] kernel_read+0x38/0x64 [<c00d5984>] prepare_binprm+0xfc/0x130 [<c00d6430>] do_execve+0x228/0x370 [<c000614c>] microblaze_execve+0x58/0xa4 caused by file_read_actor (mm/filemap.c) which calls __copy_to_user_inatomic. Signed-off-by: Michal Simek <monstr@monstr.eu>
* lmb: rename to memblockYinghai Lu2010-07-144-33/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | via following scripts FILES=$(find * -type f | grep -vE 'oprofile|[^K]config') sed -i \ -e 's/lmb/memblock/g' \ -e 's/LMB/MEMBLOCK/g' \ $FILES for N in $(find . -name lmb.[ch]); do M=$(echo $N | sed 's/lmb/memblock/g') mv $N $M done and remove some wrong change like lmbench and dlmb etc. also move memblock.c from lib/ to mm/ Suggested-by: Ingo Molnar <mingo@elte.hu> Acked-by: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* Merge branch 'for-linus' of ↵Linus Torvalds2010-06-111-0/+1
|\ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: clear bridge resource range if BIOS assigned bad one PCI: hotplug/cpqphp, fix NULL dereference Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/" PCI: change resource collision messages from KERN_ERR to KERN_INFO
| * PCI: clear bridge resource range if BIOS assigned bad oneYinghai Lu2010-06-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Yannick found that video does not work with 2.6.34. The cause of this bug was that the BIOS had assigned the wrong range to the PCI bridge above the video device. Before 2.6.34 the kernel would have shrunk the size of the bridge window, but since d65245c PCI: don't shrink bridge resources the kernel will avoid shrinking BIOS ranges. So zero out the old range if we fail to claim it at boot time; this will cause us to allocate a new range at startup, restoring the 2.6.34 behavior. Fixes regression https://bugzilla.kernel.org/show_bug.cgi?id=16009. Reported-by: Yannick <yannick.roehlly@free.fr> Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
* | microblaze: Fix sg_dma_len() regressionFUJITA Tomonori2010-06-091-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The commit "asm-generic: add NEED_SG_DMA_LENGTH to define sg_dma_len()" 18e98307de0d746cb0845ebf66535ce2184c25a2 broke microblaze compilation. dma_direct_map_sg() sets sg->dma_length, however microblaze doesn't set NEED_SG_DMA_LENGTH so scatterlist strcutres doesn't include dma_length. sg->dma_length is always equal to sg->length on microblaze. So we don't need to set set dma_length, that is, microblaze can simply use sg->length. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Michal Simek <monstr@monstr.eu>
* | microblaze: Define ARCH_SLAB_MINALIGN to fix slab crashMichal Simek2010-06-091-0/+2
|/ | | | | | | | | | | | | The commit "mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGN to <linux/slab_def.h>" 1f0ce8b3dd667dca7 which moved the ARCH_SLAB_MINALIGN default into the global header broke FLAT for Microblaze. Error message: slab error in verify_redzone_free(): cache `idr_layer_cache': memory outside object was overwritten Signed-off-by: Michal Simek <monstr@monstr.eu>
* asm-generic: remove ARCH_HAS_SG_CHAIN in scatterlist.hFUJITA Tomonori2010-05-271-2/+2
| | | | | | | | | | | | | There are more architectures that don't support ARCH_HAS_SG_CHAIN than those that support it. This removes removes ARCH_HAS_SG_CHAIN in asm-generic/scatterlist.h and lets arhictectures to define it. It's clearer than defining ARCH_HAS_SG_CHAIN asm-generic/scatterlist.h and undefing it in arhictectures that don't support it. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* asm-generic: remove ISA_DMA_THRESHOLD in scatterlist.hFUJITA Tomonori2010-05-271-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is the first half of the attempt to use asm-generic/scatterlist.h on every architecture. There are only two ways to define scatterlist structure. So it's easy to convert every architecture to use asm-generic/scatterlist.h. This patch: The trick for ISA_DMA_THRESHOLD in asm-generic/scatterlist.h doesn't work for powerpc. This lets architectures defin ISA_DMA_THRESHOLD. Hopefully, we can remove ISA_DMA_THRESHOLD in the future; we can do better to decide if the bouncing is necessary or not. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge remote branch 'origin' into secretlab/next-devicetreeGrant Likely2010-05-2231-364/+379
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merging in current state of Linus' tree to deal with merge conflicts and build failures in vio.c after merge. Conflicts: drivers/i2c/busses/i2c-cpm.c drivers/i2c/busses/i2c-mpc.c drivers/net/gianfar.c Also fixed up one line in arch/powerpc/kernel/vio.c to use the correct node pointer. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds2010-05-201-0/+11
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1674 commits) qlcnic: adding co maintainer ixgbe: add support for active DA cables ixgbe: dcb, do not tag tc_prio_control frames ixgbe: fix ixgbe_tx_is_paused logic ixgbe: always enable vlan strip/insert when DCB is enabled ixgbe: remove some redundant code in setting FCoE FIP filter ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp ixgbe: fix header len when unsplit packet overflows to data buffer ipv6: Never schedule DAD timer on dead address ipv6: Use POSTDAD state ipv6: Use state_lock to protect ifa state ipv6: Replace inet6_ifaddr->dead with state cxgb4: notify upper drivers if the device is already up when they load cxgb4: keep interrupts available when the ports are brought down cxgb4: fix initial addition of MAC address cnic: Return SPQ credit to bnx2x after ring setup and shutdown. cnic: Convert cnic_local_flags to atomic ops. can: Fix SJA1000 command register writes on SMP systems bridge: fix build for CONFIG_SYSFS disabled ARCNET: Limit com20020 PCI ID matches for SOHARD cards ... Fix up various conflicts with pcmcia tree drivers/net/ {pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and wireless/orinoco/spectrum_cs.c} and feature removal (Documentation/feature-removal-schedule.txt). Also fix a non-content conflict due to pm_qos_requirement getting renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
| | * Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller2010-05-188-20/+89
| | |\ | | | | | | | | | | | | | | | | | | | | Conflicts: include/linux/mod_devicetable.h scripts/mod/file2alias.c
| | * \ Merge branch 'master' of ↵David S. Miller2010-05-1224-343/+278
| | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ar9170/usb.c drivers/scsi/iscsi_tcp.c net/ipv4/ipmr.c
| | * | | Revert "microblaze: Kill NET_SKB_PAD and NET_IP_ALIGN overrides."David S. Miller2010-05-071-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 39e0786d3cf39c6d2f47b4818ae2da8b8ebc9ce2. On request from microblaze developers, they are going to handle this differently. Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | | microblaze: Kill NET_SKB_PAD and NET_IP_ALIGN overrides.David S. Miller2010-05-061-10/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | NET_IP_ALIGN defaults to 2, no need to override. NET_SKB_PAD is now 64, which is much larger than microblaze's L1_CACHE_SIZE so no need to override that either. Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | | Add non-Virtex5 support for LL TEMAC driverJohn Linn2010-04-131-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for using the LL TEMAC Ethernet driver on non-Virtex 5 platforms by adding support for accessing the Soft DMA registers as if they were memory mapped instead of solely through the DCR's (available on the Virtex 5). The patch also updates the driver so that it runs on the MicroBlaze. The changes were tested on the PowerPC 440, PowerPC 405, and the MicroBlaze platforms. Signed-off-by: John Tyner <jtyner@cs.ucr.edu> Signed-off-by: John Linn <john.linn@xilinx.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
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