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authorJohn David Anglin <dave.anglin@bell.net>2021-01-29 02:12:30 +0300
committerHelge Deller <deller@gmx.de>2021-02-12 18:31:51 +0300
commit31680c1d1595a59e17c14ec036b192a95f8e5f4a (patch)
treee16c541dea93e519ebb66c82cc2ad47644ad796e /arch/parisc
parentc70919bd9d0782a6078ccd37d7f861d514f5481e (diff)
downloadlinux-31680c1d1595a59e17c14ec036b192a95f8e5f4a.tar.xz
parisc: Bump 64-bit IRQ stack size to 64 KB
Bump 64-bit IRQ stack size to 64 KB. I had a kernel IRQ stack overflow on the mx3210 debian buildd machine. This patch increases the 64-bit IRQ stack size to 64 KB. The 64-bit stack size needs to be larger than the 32-bit stack size since registers are twice as big. Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/kernel/irq.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 49cd6d2caefb..1dfb439b0692 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -373,7 +373,11 @@ static inline int eirr_to_irq(unsigned long eirr)
/*
* IRQ STACK - used for irq handler
*/
+#ifdef CONFIG_64BIT
+#define IRQ_STACK_SIZE (4096 << 4) /* 64k irq stack size */
+#else
#define IRQ_STACK_SIZE (4096 << 3) /* 32k irq stack size */
+#endif
union irq_stack_union {
unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];