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| author | Marc Zyngier <marc.zyngier@arm.com> | 2018-07-17 19:06:39 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2018-10-02 11:37:27 +0200 |
| commit | adaab500dd81a59d2b3b0ce3e995db5b9e3ee8a4 (patch) | |
| tree | 8f18ae5da8fe5290e5c53e4b123e801b6de1ab81 /drivers/irqchip/irq-gic-v3-its.c | |
| parent | irqchip/gic-v3-its: Change initialization ordering for LPIs (diff) | |
| download | linux-adaab500dd81a59d2b3b0ce3e995db5b9e3ee8a4.tar.xz linux-adaab500dd81a59d2b3b0ce3e995db5b9e3ee8a4.zip | |
irqchip/gic-v3-its: Simplify LPI_PENDBASE_SZ usage
LPI_PENDING_SZ is always used in conjunction with a max(), which doesn't
make much sense, since we're guaranteed that LPI_PENDING_SZ is already
aligned to 64K. Let's remove it.
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Tested-by: Bhupesh Sharma <bhsharma@redhat.com>
Tested-by: Lei Zhang <zhang.lei@jp.fujitsu.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its.c')
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index c2df341ff6fa..842760a0f893 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1924,12 +1924,9 @@ static int its_alloc_collections(struct its_node *its) static struct page *its_allocate_pending_table(gfp_t gfp_flags) { struct page *pend_page; - /* - * The pending pages have to be at least 64kB aligned, - * hence the 'max(LPI_PENDBASE_SZ, SZ_64K)' below. - */ + pend_page = alloc_pages(gfp_flags | __GFP_ZERO, - get_order(max_t(u32, LPI_PENDBASE_SZ, SZ_64K))); + get_order(LPI_PENDBASE_SZ)); if (!pend_page) return NULL; @@ -1941,8 +1938,7 @@ static struct page *its_allocate_pending_table(gfp_t gfp_flags) static void its_free_pending_table(struct page *pt) { - free_pages((unsigned long)page_address(pt), - get_order(max_t(u32, LPI_PENDBASE_SZ, SZ_64K))); + free_pages((unsigned long)page_address(pt), get_order(LPI_PENDBASE_SZ)); } static void its_cpu_init_lpis(void) |