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irqchip/gic-v4.1: Avoid 64bit division for the sake of 32bit ARM

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In order to allow the GICv4 code to link properly on 32bit ARM,
make sure we don't use 64bit divisions when it isn't strictly
necessary.

Fixes: 4e6437f12d ("irqchip/gic-v4.1: Ensure L2 vPE table is allocated at RD level")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Marc Zyngier 2020-02-09 22:48:50 +00:00 committed by Linus Torvalds
parent d1ea35f4cd
commit 490d332ea4
1 changed files with 2 additions and 2 deletions
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4
drivers/irqchip/irq-gic-v3-its.c
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@ -2444,8 +2444,8 @@ static u64 inherit_vpe_l1_table_from_rd(cpumask_t **mask)
static bool allocate_vpe_l2_table(int cpu, u32 id)
{
void __iomem *base = gic_data_rdist_cpu(cpu)->rd_base;
u64 val, gpsz, npg;
unsigned int psz, esz, idx;
unsigned int psz, esz, idx, npg, gpsz;
u64 val;
struct page *page;
__le64 *table;