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authorAdrian Schmutzler <freifunk@adrianschmutzler.de>2020-10-09 21:53:35 +0200
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>2020-10-30 19:29:59 +0100
commit278512665094888d3c007fdd74e090496d6c811d (patch)
tree6d4f2cdddef316e07829b89c1c1a790d0db92fc3 /target/linux/generic/pending-4.19/102-MIPS-only-process-negative-stack-offsets-on-stack-tr.patch
parent3824fa26d256d162fc0e02e46714eda7816cae4a (diff)
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kernel: remove support for kernel 4.19
We use 5.4 on all targets by default, and 4.19 has never been released in a stable version. There is no reason to keep it. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
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.patch57
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;
- }