linux-kernel - [PATCH] staging: android: vsoc: Remove VSOC_WAIT_FOR_INCOMING

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190211152602.GA5591@jordon-HP-15-Notebook-PC>
Date:   Mon, 11 Feb 2019 20:56:02 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     arve@...roid.com, gregkh@...uxfoundation.org, tkjos@...roid.com,
        maco@...roid.com, christian@...uner.io
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: android: vsoc: Remove
 VSOC_WAIT_FOR_INCOMING_INTERRUPT

As mentioned in TODO list, Removed VSOC_WAIT_FOR_INCOMING_INTERRUPT
ioctl. This functionality has been superseded by the futex and is
there for legacy reasons.

Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
---
 drivers/staging/android/uapi/vsoc_shm.h | 7 -------
 drivers/staging/android/vsoc.c          | 5 -----
 2 files changed, 12 deletions(-)

diff --git a/drivers/staging/android/uapi/vsoc_shm.h b/drivers/staging/android/uapi/vsoc_shm.h
index 6291fb2..69090cc 100644
--- a/drivers/staging/android/uapi/vsoc_shm.h
+++ b/drivers/staging/android/uapi/vsoc_shm.h
@@ -232,13 +232,6 @@ struct vsoc_shm_layout_descriptor {
 #define VSOC_MAYBE_SEND_INTERRUPT_TO_HOST _IO(0xF5, 2)
 
 /*
- * When this returns the guest will scan host_to_guest_signal_table to
- * check for new futexes to wake.
- */
-/* TODO(ghartman): Consider moving this to the bottom half */
-#define VSOC_WAIT_FOR_INCOMING_INTERRUPT _IO(0xF5, 3)
-
-/*
  * Guest HALs will use this to retrieve the region description after
  * opening their device node.
  */
diff --git a/drivers/staging/android/vsoc.c b/drivers/staging/android/vsoc.c
index 22571ab..a842ff7 100644
--- a/drivers/staging/android/vsoc.c
+++ b/drivers/staging/android/vsoc.c
@@ -592,11 +592,6 @@ static long vsoc_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	case VSOC_SEND_INTERRUPT_TO_HOST:
 		writel(reg_num, vsoc_dev.regs + DOORBELL);
 		return 0;
-	case VSOC_WAIT_FOR_INCOMING_INTERRUPT:
-		wait_event_interruptible
-			(reg_data->interrupt_wait_queue,
-			 (atomic_read(reg_data->incoming_signalled) != 0));
-		break;
 
 	case VSOC_DESCRIBE_REGION:
 		return do_vsoc_describe_region
-- 
1.9.1