diff options
author | Jason Gunthorpe <jgg@mellanox.com> | 2018-01-29 23:26:40 +0300 |
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committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-01-30 19:30:00 +0300 |
commit | e7996a9a77fc669387da43ff4823b91cc4872bd0 (patch) | |
tree | 617f0a128e222539d67e8cccc359f1bc4b984900 /arch/x86/kernel/irq.c | |
parent | b5fa635aab8f0d39a824c01991266a6d06f007fb (diff) | |
parent | d8a5b80568a9cb66810e75b182018e9edb68e8ff (diff) | |
download | linux-e7996a9a77fc669387da43ff4823b91cc4872bd0.tar.xz |
Merge tag v4.15 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
To resolve conflicts in:
drivers/infiniband/hw/mlx5/main.c
drivers/infiniband/hw/mlx5/qp.c
From patches merged into the -rc cycle. The conflict resolution matches
what linux-next has been carrying.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r-- | arch/x86/kernel/irq.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 49cfd9fe7589..68e1867cca80 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -219,18 +219,6 @@ __visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs) /* high bit used in ret_from_ code */ unsigned vector = ~regs->orig_ax; - /* - * NB: Unlike exception entries, IRQ entries do not reliably - * handle context tracking in the low-level entry code. This is - * because syscall entries execute briefly with IRQs on before - * updating context tracking state, so we can take an IRQ from - * kernel mode with CONTEXT_USER. The low-level entry code only - * updates the context if we came from user mode, so we won't - * switch to CONTEXT_KERNEL. We'll fix that once the syscall - * code is cleaned up enough that we can cleanly defer enabling - * IRQs. - */ - entering_irq(); /* entering_irq() tells RCU that we're not quiescent. Check it. */ |