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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Wed, Apr 25, 2018 at 11:12:47AM -0700, kys@linuxonhyperv.com wrote: > +/* > + * IPI implementation on Hyper-V. > + */ > + > +static int __send_ipi_mask(const struct cpumask *mask, int vector) > +{ > + int cur_cpu, vcpu; > + struct ipi_arg_non_ex **arg; > + struct ipi_arg_non_ex *ipi_arg; > + int ret = 1; Not specifically related to this patch, but hv code sometimes returns 1 on error or U64_MAX. It's slightly magical. Maybe HV_STATUS_INVALID_HYPERCALL_INPUT (3) would be more appropriate? Or we could make a new more generic error code: #define HV_STATUS_INVALID 1 regards, dan carpenter _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel