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kernel: backport MIPS changes introducing a separate IRQ stack

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Prevents crashes when IRQs arrive when the current kernel stack context
already contains deeply nested function calls, e.g. when stacking lots
of network devices on top of each other

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2017-01-11 10:57:49 +01:00
parent b02636fcb4
commit 1708644f19
17 changed files with 312 additions and 15 deletions
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4
target/linux/generic/patches-4.4/300-mips_expose_boot_raw.patch
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@@ -8,7 +8,7 @@ Acked-by: Rob Landley <rob@landley.net>
---
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1032,9 +1032,6 @@ config FW_ARC
@@ -1033,9 +1033,6 @@ config FW_ARC
config ARCH_MAY_HAVE_PC_FDC
bool
@@ -18,7 +18,7 @@ Acked-by: Rob Landley <rob@landley.net>
config CEVT_BCM1480
bool
@@ -2792,6 +2789,18 @@ choice
@@ -2793,6 +2790,18 @@ choice
bool "Bootloader kernel arguments if available"
endchoice