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parisc: Increase thread and stack size to 32kb 

Since kernel 4.11 the thread and irq stacks on parisc randomly overflow
the default size of 16k. The reason why stack usage suddenly grew is yet
unknown.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # 4.11+
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2017-07-31 08:38:27 +02:00
parent 13d57093c1
commit 8f8201dfed
2 changed files with 2 additions and 2 deletions
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2
arch/parisc/include/asm/thread_info.h
View File

@ -34,7 +34,7 @@ struct thread_info {
/* thread information allocation */
#define THREAD_SIZE_ORDER 2 /* PA-RISC requires at least 16k stack */
#define THREAD_SIZE_ORDER 3 /* PA-RISC requires at least 32k stack */
/* Be sure to hunt all references to this down when you change the size of
* the kernel stack */
#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)

2
arch/parisc/kernel/irq.c
View File

@ -380,7 +380,7 @@ static inline int eirr_to_irq(unsigned long eirr)
/*
* IRQ STACK - used for irq handler
*/
#define IRQ_STACK_SIZE (4096 << 2) /* 16k irq stack size */
#define IRQ_STACK_SIZE (4096 << 3) /* 32k irq stack size */
union irq_stack_union {
unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];