android_kernel_xiaomi_sm8350/arch/x86
Chuck Ebbert 0b8c3d5ab0 x86: Clear TS in irq_ts_save() when in an atomic section
The dynamic FPU context allocation changes caused the padlock driver
to generate the below warning. Fix it by masking TS when doing padlock
encryption operations in an atomic section.

This solves:

BUG: sleeping function called from invalid context at mm/slub.c:1602
in_atomic(): 1, irqs_disabled(): 0, pid: 82, name: cryptomgr_test
Pid: 82, comm: cryptomgr_test Not tainted 2.6.29.4-168.test7.fc11.x86_64 #1
Call Trace:
[<ffffffff8103ff16>] __might_sleep+0x10b/0x110
[<ffffffff810cd3b2>] kmem_cache_alloc+0x37/0xf1
[<ffffffff81018505>] init_fpu+0x49/0x8a
[<ffffffff81012a83>] math_state_restore+0x3e/0xbc
[<ffffffff813ac6d0>] do_device_not_available+0x9/0xb
[<ffffffff810123ab>] device_not_available+0x1b/0x20
[<ffffffffa001c066>] ? aes_crypt+0x66/0x74 [padlock_aes]
[<ffffffff8119a51a>] ? blkcipher_walk_next+0x257/0x2e0
[<ffffffff8119a731>] ? blkcipher_walk_first+0x18e/0x19d
[<ffffffffa001c1fe>] aes_encrypt+0x9d/0xe5 [padlock_aes]
[<ffffffffa0027253>] crypt+0x6b/0x114 [xts]
[<ffffffffa001c161>] ? aes_encrypt+0x0/0xe5 [padlock_aes]
[<ffffffffa001c161>] ? aes_encrypt+0x0/0xe5 [padlock_aes]
[<ffffffffa0027390>] encrypt+0x49/0x4b [xts]
[<ffffffff81199acc>] async_encrypt+0x3c/0x3e
[<ffffffff8119dafc>] test_skcipher+0x1da/0x658
[<ffffffff811979c3>] ? crypto_spawn_tfm+0x8e/0xb1
[<ffffffff8119672d>] ? __crypto_alloc_tfm+0x11b/0x15f
[<ffffffff811979c3>] ? crypto_spawn_tfm+0x8e/0xb1
[<ffffffff81199dbe>] ? skcipher_geniv_init+0x2b/0x47
[<ffffffff8119a905>] ? async_chainiv_init+0x5c/0x61
[<ffffffff8119dfdd>] alg_test_skcipher+0x63/0x9b
[<ffffffff8119e1bc>] alg_test+0x12d/0x175
[<ffffffff8119c488>] cryptomgr_test+0x38/0x54
[<ffffffff8119c450>] ? cryptomgr_test+0x0/0x54
[<ffffffff8105c6c9>] kthread+0x4d/0x78
[<ffffffff8101264a>] child_rip+0xa/0x20
[<ffffffff81011f67>] ? restore_args+0x0/0x30
[<ffffffff8105c67c>] ? kthread+0x0/0x78
[<ffffffff81012640>] ? child_rip+0x0/0x20

Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <20090609104050.50158cfe@dhcp-100-2-144.bos.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-09 16:50:43 +02:00
..
boot x86, relocs: ignore R_386_NONE in kernel relocation entries 2009-05-25 22:52:49 -07:00
configs Merge branches 'x86/apic', 'x86/defconfig', 'x86/memtest', 'x86/mm' and 'linus' into x86/core 2009-02-26 06:31:32 +01:00
crypto crypto: aes-ni - Add support to Intel AES-NI instructions for x86_64 platform 2009-02-18 16:48:06 +08:00
ia32 Separate out common fstatat code into vfs_fstatat 2009-04-20 23:02:51 -04:00
include/asm x86: Clear TS in irq_ts_save() when in an atomic section 2009-06-09 16:50:43 +02:00
kernel x86: Detect use of extended APIC ID for AMD CPUs 2009-06-09 15:28:46 +02:00
kvm KVM: Fix PDPTR reloading on CR4 writes 2009-05-25 20:00:53 +03:00
lguest clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
lib x86: memcpy, clean up 2009-03-12 12:21:17 +01:00
math-emu Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2 2009-03-27 17:28:43 +01:00
mm x86: memtest: remove 64-bit division 2009-06-08 19:18:25 +02:00
oprofile x86, 32-bit: fix kernel_trap_sp() 2009-05-12 00:39:52 +02:00
pci x86/PCI: don't bother with root quirks if _CRS is used 2009-04-22 15:06:29 -07:00
power x86: disable stack-protector for __restore_processor_state() 2009-04-03 19:48:41 +02:00
vdso x86: gettimeofday() vDSO: fix segfault when tv == NULL 2009-04-30 12:31:45 +02:00
video
xen x86: Fix performance regression caused by paravirt_ops on native kernels 2009-05-15 20:07:42 +02:00
Kconfig x86: Fix performance regression caused by paravirt_ops on native kernels 2009-05-15 20:07:42 +02:00
Kconfig.cpu x86: disable X86_PTRACE_BTS for now 2009-04-15 23:15:14 +02:00
Kconfig.debug generic debug pagealloc: build fix 2009-04-02 19:04:48 -07:00
Makefile x86, kbuild: make "make install" not depend on vmlinux 2009-04-17 22:43:12 +02:00
Makefile_32.cpu