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* Merge branch 'for-linus' of ↵Linus Torvalds2009-12-141-6/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (34 commits) m68k: rename global variable vmalloc_end to m68k_vmalloc_end percpu: add missing per_cpu_ptr_to_phys() definition for UP percpu: Fix kdump failure if booted with percpu_alloc=page percpu: make misc percpu symbols unique percpu: make percpu symbols in ia64 unique percpu: make percpu symbols in powerpc unique percpu: make percpu symbols in x86 unique percpu: make percpu symbols in xen unique percpu: make percpu symbols in cpufreq unique percpu: make percpu symbols in oprofile unique percpu: make percpu symbols in tracer unique percpu: make percpu symbols under kernel/ and mm/ unique percpu: remove some sparse warnings percpu: make alloc_percpu() handle array types vmalloc: fix use of non-existent percpu variable in put_cpu_var() this_cpu: Use this_cpu_xx in trace_functions_graph.c this_cpu: Use this_cpu_xx for ftrace this_cpu: Use this_cpu_xx in nmi handling this_cpu: Use this_cpu operations in RCU this_cpu: Use this_cpu ops for VM statistics ... Fix up trivial (famous last words) global per-cpu naming conflicts in arch/x86/kvm/svm.c mm/slab.c
| * percpu: make misc percpu symbols uniqueTejun Heo2009-10-291-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates misc percpu related symbols such that percpu symbols are unique and don't clash with local symbols. This serves two purposes of decreasing the possibility of global percpu symbol collision and allowing dropping per_cpu__ prefix from percpu symbols. * drivers/crypto/padlock-aes.c: s/last_cword/paes_last_cword/ * drivers/lguest/x86/core.c: s/last_cpu/lg_last_cpu/ * drivers/s390/net/netiucv.c: rename the variable used in a macro to avoid clashing with percpu symbol * arch/mn10300/kernel/kprobes.c: replace current_ prefix with cur_ for static variables. Please note that percpu symbol current_kprobe can't be changed as it's used by generic code. Partly based on Rusty Russell's "alloc_percpu: rename percpu vars which cause name clashes" patch. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: Christoph Lameter <cl@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Chuck Ebbert <cebbert@redhat.com> Cc: David Howells <dhowells@redhat.com> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David S. Miller <davem@davemloft.net> Cc: Masami Hiramatsu <mhiramat@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com
* | crypto: padlock-aes - Use the correct mask when checking whether copying is ↵Chuck Ebbert2009-11-031-2/+2
|/ | | | | | | | | required Masking with PAGE_SIZE is just wrong... Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock-aes - work around Nano CPU errata in CBC modeChuck Ebbert2009-06-181-18/+65
| | | | | | | | | Extend previous workarounds for the prefetch bug to cover CBC mode, clean up the code a bit. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Acked-by: Harald Welte <HaraldWelte@viatech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock-aes - work around Nano CPU errata in ECB modeChuck Ebbert2009-06-181-35/+46
| | | | | | | | | | | The VIA Nano processor has a bug that makes it prefetch extra data during encryption operations, causing spurious page faults. Extend existing workarounds for ECB mode to copy the data to an temporary buffer to avoid the problem. Signed-off-by: Chuck Ebbert <cebbert@redhat.com> Acked-by: Harald Welte <HaraldWelte@viatech.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock - Enable on x86_64Sebastian Andrzej Siewior2009-06-021-0/+13
| | | | | | | | Almost everything stays the same, we need just to use the extended registers on the bit variant. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock - Revert aes-all alias to aesHerbert Xu2009-04-211-1/+1
| | | | | | | | Since the padlock-aes driver doesn't require a fallback (it's only padlock-sha that does), it should use the aes alias rather than aes-all so that ones that do need a fallback can use it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: api - Fix module load deadlock with fallback algorithmsHerbert Xu2009-02-261-1/+1
| | | | | | | | | | | | | | | | | | | With the mandatory algorithm testing at registration, we have now created a deadlock with algorithms requiring fallbacks. This can happen if the module containing the algorithm requiring fallback is loaded first, without the fallback module being loaded first. The system will then try to test the new algorithm, find that it needs to load a fallback, and then try to load that. As both algorithms share the same module alias, it can attempt to load the original algorithm again and block indefinitely. As algorithms requiring fallbacks are a special case, we can fix this by giving them a different module alias than the rest. Then it's just a matter of using the right aliases according to what algorithms we're trying to find. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock - Avoid resetting cword on successive operationsHerbert Xu2008-12-251-10/+42
| | | | | | | | | | | | | | | | | | | Resetting the control word is quite expensive. Fortunately this isn't an issue for the common operations such as CBC and ECB as the whole operation is done through a single call. However, modes such as LRW and XTS have to call padlock over and over again for one operation which really hurts if each call resets the control word. This patch uses an idea by Sebastian Siewior to store the last control word used on a CPU and only reset the control word if that changes. Note that any task switch automatically resets the control word so we only need to be accurate with regard to the stored control word when no task switches occur. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock - fix VIA PadLock instruction usage with irq_ts_save/restore()Suresh Siddha2008-08-131-1/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Wolfgang Walter reported this oops on his via C3 using padlock for AES-encryption: ################################################################## BUG: unable to handle kernel NULL pointer dereference at 000001f0 IP: [<c01028c5>] __switch_to+0x30/0x117 *pde = 00000000 Oops: 0002 [#1] PREEMPT Modules linked in: Pid: 2071, comm: sleep Not tainted (2.6.26 #11) EIP: 0060:[<c01028c5>] EFLAGS: 00010002 CPU: 0 EIP is at __switch_to+0x30/0x117 EAX: 00000000 EBX: c0493300 ECX: dc48dd00 EDX: c0493300 ESI: dc48dd00 EDI: c0493530 EBP: c04cff8c ESP: c04cff7c DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Process sleep (pid: 2071, ti=c04ce000 task=dc48dd00 task.ti=d2fe6000) Stack: dc48df30 c0493300 00000000 00000000 d2fe7f44 c03b5b43 c04cffc8 00000046 c0131856 0000005a dc472d3c c0493300 c0493470 d983ae00 00002696 00000000 c0239f54 00000000 c04c4000 c04cffd8 c01025fe c04f3740 00049800 c04cffe0 Call Trace: [<c03b5b43>] ? schedule+0x285/0x2ff [<c0131856>] ? pm_qos_requirement+0x3c/0x53 [<c0239f54>] ? acpi_processor_idle+0x0/0x434 [<c01025fe>] ? cpu_idle+0x73/0x7f [<c03a4dcd>] ? rest_init+0x61/0x63 ======================= Wolfgang also found out that adding kernel_fpu_begin() and kernel_fpu_end() around the padlock instructions fix the oops. Suresh wrote: These padlock instructions though don't use/touch SSE registers, but it behaves similar to other SSE instructions. For example, it might cause DNA faults when cr0.ts is set. While this is a spurious DNA trap, it might cause oops with the recent fpu code changes. This is the code sequence that is probably causing this problem: a) new app is getting exec'd and it is somewhere in between start_thread() and flush_old_exec() in the load_xyz_binary() b) At pont "a", task's fpu state (like TS_USEDFPU, used_math() etc) is cleared. c) Now we get an interrupt/softirq which starts using these encrypt/decrypt routines in the network stack. This generates a math fault (as cr0.ts is '1') which sets TS_USEDFPU and restores the math that is in the task's xstate. d) Return to exec code path, which does start_thread() which does free_thread_xstate() and sets xstate pointer to NULL while the TS_USEDFPU is still set. e) At the next context switch from the new exec'd task to another task, we have a scenarios where TS_USEDFPU is set but xstate pointer is null. This can cause an oops during unlazy_fpu() in __switch_to() Now: 1) This should happen with or with out pre-emption. Viro also encountered similar problem with out CONFIG_PREEMPT. 2) kernel_fpu_begin() and kernel_fpu_end() will fix this problem, because kernel_fpu_begin() will manually do a clts() and won't run in to the situation of setting TS_USEDFPU in step "c" above. 3) This was working before the fpu changes, because its a spurious math fault which doesn't corrupt any fpu/sse registers and the task's math state was always in an allocated state. With out the recent lazy fpu allocation changes, while we don't see oops, there is a possible race still present in older kernels(for example, while kernel is using kernel_fpu_begin() in some optimized clear/copy page and an interrupt/softirq happens which uses these padlock instructions generating DNA fault). This is the failing scenario that existed even before the lazy fpu allocation changes: 0. CPU's TS flag is set 1. kernel using FPU in some optimized copy routine and while doing kernel_fpu_begin() takes an interrupt just before doing clts() 2. Takes an interrupt and ipsec uses padlock instruction. And we take a DNA fault as TS flag is still set. 3. We handle the DNA fault and set TS_USEDFPU and clear cr0.ts 4. We complete the padlock routine 5. Go back to step-1, which resumes clts() in kernel_fpu_begin(), finishes the optimized copy routine and does kernel_fpu_end(). At this point, we have cr0.ts again set to '1' but the task's TS_USEFPU is stilll set and not cleared. 6. Now kernel resumes its user operation. And at the next context switch, kernel sees it has do a FP save as TS_USEDFPU is still set and then will do a unlazy_fpu() in __switch_to(). unlazy_fpu() will take a DNA fault, as cr0.ts is '1' and now, because we are in __switch_to(), math_state_restore() will get confused and will restore the next task's FP state and will save it in prev tasks's FP state. Remember, in __switch_to() we are already on the stack of the next task but take a DNA fault for the prev task. This causes the fpu leakage. Fix the padlock instruction usage by calling them inside the context of new routines irq_ts_save/restore(), which clear/restore cr0.ts manually in the interrupt context. This will not generate spurious DNA in the context of the interrupt which will fix the oops encountered and the possible FPU leakage issue. Reported-and-bisected-by: Wolfgang Walter <wolfgang.walter@stwm.de> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* crypto: padlock - Make module loading quieter when hardware isn't availableJeremy Katz2008-07-101-2/+2
| | | | | | | | | | When loading aes or sha256 via the module aliases, the padlock modules also try to get loaded. Make the error message for them not being present only be a NOTICE rather than an ERROR so that use of 'quiet' will suppress the messages Signed-off-by: Jeremy Katz <katzj@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock-aes: Use generic setkey functionSebastian Siewior2008-04-211-301/+19
| | | | | | | | | | The Padlock AES setkey routine is the same as exported by the generic implementation. So we could use it. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Cc: Michal Ludvig <michal@logix.cz> Tested-by: Stefan Hellermann <stefan@the2masters.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Only reset the key once for each CBC and ECB operationHerbert Xu2008-01-111-5/+15
| | | | | | | | Currently we reset the key for each segment fed to the xcrypt instructions. This patch optimises this for CBC and ECB so that we only do this once for each encrypt/decrypt operation. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] aes: Move common defines into a header fileSebastian Siewior2008-01-111-3/+1
| | | | | | | This three defines are used in all AES related hardware. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Fix alignment fault in aes_crypt_copyHerbert Xu2008-01-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | The previous patch fixed spurious read faults from occuring by copying the data if we happen to have a single block at the end of a page. It appears that gcc cannot guarantee 16-byte alignment in the kernel with __attribute__. The following report from Torben Viets shows a buffer that's only 8-byte aligned: > eneral protection fault: 0000 [#1] > Modules linked in: xt_TCPMSS xt_tcpmss iptable_mangle ipt_MASQUERADE > xt_tcpudp xt_mark xt_state iptable_nat nf_nat nf_conntrack_ipv4 > iptable_filter ip_tables x_tables pppoe pppox af_packet ppp_generic slhc > aes_i586 > CPU: 0 > EIP: 0060:[<c035b828>] Not tainted VLI > EFLAGS: 00010292 (2.6.23.12 #7) > EIP is at aes_crypt_copy+0x28/0x40 > eax: f7639ff0 ebx: f6c24050 ecx: 00000001 edx: f6c24030 > esi: f7e89dc8 edi: f7639ff0 ebp: 00010000 esp: f7e89dc8 Since the hardware must have 16-byte alignment, the following patch fixes this by open coding the alignment adjustment. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Fix spurious ECB page faultHerbert Xu2007-12-281-4/+49
| | | | | | | | The xcryptecb instruction always processes an even number of blocks so we need to ensure th existence of an extra block if we have to process an odd number of blocks. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] aes: Rename aes to aes-genericSebastian Siewior2007-10-101-2/+2
| | | | | | | | | | | | | | Loading the crypto algorithm by the alias instead of by module directly has the advantage that all possible implementations of this algorithm are loaded automatically and the crypto API can choose the best one depending on its priority. Additionally it ensures that the generic implementation as well as the HW driver (if available) is loaded in case the HW driver needs the generic version as fallback in corner cases. Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] drivers: Remove obsolete block cipher operationsHerbert Xu2006-09-211-44/+0
| | | | | | | | | This patch removes obsolete block operations of the simple cipher type from drivers. These were preserved so that existing users can make a smooth transition. Now that the transition is complete, they are no longer needed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Added block cipher versions of CBC/ECBHerbert Xu2006-09-211-7/+167
| | | | | | | | This patch adds block cipher algorithms for cbc(aes) and ecb(aes) for the PadLock device. Once all users to the old cipher type have been converted the old cbc/ecb PadLock operations will be removed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] api: Get rid of flags argument to setkeyHerbert Xu2006-09-211-2/+3
| | | | | | | | | | | | | | | Now that the tfm is passed directly to setkey instead of the ctx, we no longer need to pass the &tfm->crt_flags pointer. This patch also gets rid of a few unnecessary checks on the key length for ciphers as the cipher layer guarantees that the key length is within the bounds specified by the algorithm. Rather than testing dia_setkey every time, this patch does it only once during crypto_alloc_tfm. The redundant check from crypto_digest_setkey is also removed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Helper module padlock.koMichal Ludvig2006-09-211-3/+0
| | | | | | | | | | | | Compile a helper module padlock.ko that will try to autoload all configured padlock algorithms. This also provides backward compatibility with the ancient times before padlock.ko was renamed to padlock-aes.ko Signed-off-by: Michal Ludvig <michal@logix.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Update private header fileMichal Ludvig2006-09-211-1/+12
| | | | | | | | | | | PADLOCK_CRA_PRIORITY is shared between padlock-aes and padlock-sha so it should be in the header. On the other hand "struct cword" is only used in padlock-aes.c so it's unnecessary to have it in padlock.h Signed-off-by: Michal Ludvig <michal@logix.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Add compatibility alias after renameHerbert Xu2006-09-211-0/+3
| | | | | | | | | | Whenever we rename modules we should add an alias to ensure that existing users can still locate the new module. This patch also gets rid of the now unused module function prototypes from padlock.h. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Get rid of padlock-generic.cMichal Ludvig2006-09-211-4/+30
| | | | | | | | | | Merge padlock-generic.c into padlock-aes.c and compile AES as a standalone module. We won't make a monolithic padlock.ko with all supported algorithms, instead we'll compile each driver into its own module. Signed-off-by: Michal Ludvig <michal@logix.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Fix alignment after aes_ctx rearrangeMichal Ludvig2006-07-151-2/+7
| | | | | | | | | | | Herbert's patch 82062c72cd643c99a9e1c231270acbab986fd23f in cryptodev-2.6 tree breaks alignment rules for PadLock xcrypt instruction leading to General protection Oopses. This patch fixes the problem. Signed-off-by: Michal Ludvig <michal@logix.cz> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] padlock: Rearrange context structure to reduce code sizeHerbert Xu2006-06-261-6/+4
| | | | | | | | | i386 assembly has more compact instructions for accessing 7-bit offsets. So by moving the large members to the end of the structure we can save quite a bit of code size. This patch shaves about 10% or 300 bytes off the padlock-aes file. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] all: Pass tfm instead of ctx to algorithmsHerbert Xu2006-06-261-15/+14
| | | | | | | | | | | | | | | | Up until now algorithms have been happy to get a context pointer since they know everything that's in the tfm already (e.g., alignment, block size). However, once we have parameterised algorithms, such information will be specific to each tfm. So the algorithm API needs to be changed to pass the tfm structure instead of the context pointer. This patch is basically a text substitution. The only tricky bit is the assembly routines that need to get the context pointer offset through asm-offsets.h. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] api: Align tfm context as wide as possibleHerbert Xu2006-03-211-1/+5
| | | | | | | | | | | | | | | | | Since tfm contexts can contain arbitrary types we should provide at least natural alignment (__attribute__ ((__aligned__))) for them. In particular, this is needed on the Xscale which is a 32-bit architecture with a u64 type that requires 64-bit alignment. This problem was reported by Ronen Shitrit. The crypto_tfm structure's size was 44 bytes on 32-bit architectures and 80 bytes on 64-bit architectures. So adding this requirement only means that we have to add an extra 4 bytes on 32-bit architectures. On i386 the natural alignment is 16 bytes which also benefits the VIA Padlock as it no longer has to manually align its context structure to 128 bits. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [PATCH] padlock: Fix typo that broke 256-bit keysHerbert Xu2006-02-221-4/+4
| | | | | | | | | A typo crept into the le32_to_cpu patch which broke 256-bit keys in the padlock driver. The following patch based on observations by Michael Heyse fixes the problem. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CRYPTO] Allow AES C/ASM implementations to coexistHerbert Xu2006-01-091-0/+2
| | | | | | | | | | | | As the Crypto API now allows multiple implementations to be registered for the same algorithm, we no longer have to play tricks with Kconfig to select the right AES implementation. This patch sets the driver name and priority for all the AES implementations and removes the Kconfig conditions on the C implementation for AES. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] Use standard byte order macros wherever possibleHerbert Xu2006-01-091-13/+11
| | | | | | | | | | | A lot of crypto code needs to read/write a 32-bit/64-bit words in a specific gender. Many of them open code them by reading/writing one byte at a time. This patch converts all the applicable usages over to use the standard byte order macros. This is based on a previous patch by Denis Vlasenko. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [CRYPTO] Update IV correctly for Padlock CBC encryptionHerbert Xu2005-07-061-4/+9
| | | | | | | | | | When the Padlock does CBC encryption, the memory pointed to by EAX is not updated at all. Instead, it updates the value of EAX by pointing it to the last block in the output. Therefore to maintain the correct semantics we need to copy the IV. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CRYPTO] Ensure cit_iv is aligned correctlyHerbert Xu2005-07-061-2/+1
| | | | | | | | | | | This patch ensures that cit_iv is aligned according to cra_alignmask by allocating it as part of the tfm structure. As a side effect the crypto layer will also guarantee that the tfm ctx area has enough space to be aligned by cra_alignmask. This allows us to remove the extra space reservation from the Padlock driver. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PADLOCK] Implement multi-block operationsHerbert Xu2005-07-061-2/+53
| | | | | | | | By operating on multiple blocks at once, we expect to extract more performance out of the VIA Padlock. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PADLOCK] Move fast path work into aes_set_key and upper layerHerbert Xu2005-07-061-61/+41
| | | | | | | | | | | | Most of the work done aes_padlock can be done in aes_set_key. This means that we only have to do it once when the key changes rather than every time we perform an encryption or decryption. This patch also sets cra_alignmask to let the upper layer ensure that the buffers fed to us are aligned correctly. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+468
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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