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| author | David S. Miller <davem@davemloft.net> | 2017-03-15 11:59:10 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-15 11:59:10 -0700 |
| commit | 101c431492d297dd0d111b461d8d324895676bee (patch) | |
| tree | 06d8a02a4fd91acdd6c31340452e85feaac4ecb7 /arch/powerpc/sysdev/xics/icp-opal.c | |
| parent | 9c79ddaa0f962d1f26537a670b0652ff509a6fe0 (diff) | |
| parent | 95422dec6bd4a7c57444743f7b1bb375335a6298 (diff) | |
| download | linux-101c431492d297dd0d111b461d8d324895676bee.tar.gz linux-101c431492d297dd0d111b461d8d324895676bee.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/ethernet/broadcom/genet/bcmgenet.c
net/core/sock.c
Conflicts were overlapping changes in bcmgenet and the
lockdep handling of sockets.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/sysdev/xics/icp-opal.c')
| -rw-r--r-- | arch/powerpc/sysdev/xics/icp-opal.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/xics/icp-opal.c b/arch/powerpc/sysdev/xics/icp-opal.c index f9670eabfcfa..b53f80f0b4d8 100644 --- a/arch/powerpc/sysdev/xics/icp-opal.c +++ b/arch/powerpc/sysdev/xics/icp-opal.c @@ -91,6 +91,16 @@ static unsigned int icp_opal_get_irq(void) static void icp_opal_set_cpu_priority(unsigned char cppr) { + /* + * Here be dragons. The caller has asked to allow only IPI's and not + * external interrupts. But OPAL XIVE doesn't support that. So instead + * of allowing no interrupts allow all. That's still not right, but + * currently the only caller who does this is xics_migrate_irqs_away() + * and it works in that case. + */ + if (cppr >= DEFAULT_PRIORITY) + cppr = LOWEST_PRIORITY; + xics_set_base_cppr(cppr); opal_int_set_cppr(cppr); iosync(); |