diff options
Diffstat (limited to 'target/linux/generic/pending-4.19/102-MIPS-only-process-negative-stack-offsets-on-stack-tr.patch')
| -rw-r--r-- | target/linux/generic/pending-4.19/102-MIPS-only-process-negative-stack-offsets-on-stack-tr.patch | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/target/linux/generic/pending-4.19/102-MIPS-only-process-negative-stack-offsets-on-stack-tr.patch b/target/linux/generic/pending-4.19/102-MIPS-only-process-negative-stack-offsets-on-stack-tr.patch deleted file mode 100644 index 0b87f493ec..0000000000 --- a/target/linux/generic/pending-4.19/102-MIPS-only-process-negative-stack-offsets-on-stack-tr.patch +++ /dev/null @@ -1,57 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Wed, 18 Apr 2018 10:50:05 +0200 -Subject: [PATCH] MIPS: only process negative stack offsets on stack traces - -Fixes endless back traces in cases where the compiler emits a stack -pointer increase in a branch delay slot (probably for some form of -function return). - -[ 3.475442] BUG: MAX_STACK_TRACE_ENTRIES too low! -[ 3.480070] turning off the locking correctness validator. -[ 3.485521] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.14.34 #0 -[ 3.491475] Stack : 00000000 00000000 00000000 00000000 80e0fce2 00000034 00000000 00000000 -[ 3.499764] 87c3838c 80696377 8061047c 00000000 00000001 00000001 87c2d850 6534689f -[ 3.508059] 00000000 00000000 80e10000 00000000 00000000 000000cf 0000000f 00000000 -[ 3.516353] 00000000 806a0000 00076891 00000000 00000000 00000000 ffffffff 00000000 -[ 3.524648] 806c0000 00000004 80e10000 806a0000 00000003 80690000 00000000 80700000 -[ 3.532942] ... -[ 3.535362] Call Trace: -[ 3.537818] [<80010a48>] show_stack+0x58/0x100 -[ 3.542207] [<804c2f78>] dump_stack+0xe8/0x170 -[ 3.546613] [<80079f90>] save_trace+0xf0/0x110 -[ 3.551010] [<8007b1ec>] mark_lock+0x33c/0x78c -[ 3.555413] [<8007bf48>] __lock_acquire+0x2ac/0x1a08 -[ 3.560337] [<8007de60>] lock_acquire+0x64/0x8c -[ 3.564846] [<804e1570>] _raw_spin_lock_irqsave+0x54/0x78 -[ 3.570186] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.574770] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.579257] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.583839] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.588329] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.592911] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.597401] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.601983] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.606473] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.611055] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.615545] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.620125] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.624619] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.629197] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.633691] [<801b618c>] kernfs_notify+0x94/0xac -[ 3.638269] [<801b7b10>] sysfs_notify+0x74/0xa0 -[ 3.642763] [<801b618c>] kernfs_notify+0x94/0xac - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/arch/mips/kernel/process.c -+++ b/arch/mips/kernel/process.c -@@ -361,6 +361,8 @@ static inline int is_sp_move_ins(union m - - if (ip->i_format.opcode == addiu_op || - ip->i_format.opcode == daddiu_op) { -+ if (ip->i_format.simmediate > 0) -+ return 0; - *frame_size = -ip->i_format.simmediate; - return 1; - } |