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(parent: 1b8b9c8) | patch
s390: use SPARSE_IRQ
authorSebastian Ott <sebott@linux.vnet.ibm.com>
Thu, 2 Jun 2016 12:57:17 +0000 (14:57 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 13 Jun 2016 13:58:24 +0000 (15:58 +0200)
commitbb98f396f14477480273a92a75da448af6a9ae85
treef92e172499b0fdb4ab849d02b20d0b2282b3bd2atree | snapshot (tar.gz zip)
parent1b8b9c81a99ace2c706aa8696e12dd846df50078commit | diff
s390: use SPARSE_IRQ

Use dynamically allocated irq descriptors on s390 which allows
us to get rid of the s390 specific config option PCI_NR_MSI and
exploit more MSI interrupts. Also the size of the kernel image
is reduced by 131K (using performance_defconfig).

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/Kconfig diff | blob | blame | history
arch/s390/include/asm/irq.h diff | blob | blame | history
arch/s390/kernel/irq.c diff | blob | blame | history