unix: update to Linux kernel 7.0

Change-Id: I2e77f6fa2ac141018c4fe5cba2c8615c9e05d99c
GitHub-Last-Rev: 5d46d8f
GitHub-Pull-Request: #274
Reviewed-on: https://go-review.googlesource.com/c/sys/+/779140
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>

Author: halfcrazy

unix/linux/Dockerfile

@@ -15,8 +15,8 @@ RUN apt-get update && apt-get install -y  --no-install-recommends \
 # Get the git sources. If not cached, this takes O(5 minutes).
 WORKDIR /git
 RUN git config --global advice.detachedHead false
-# Linux Kernel: Released 27 Jul 2025
-RUN git clone --branch v6.16 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
+# Linux Kernel: Released 13 Apr 2026
+RUN git clone --branch v7.0 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
 # GNU C library: Released 29 Jan 2025
 RUN git clone --branch release/2.41/master --depth 1 https://sourceware.org/git/glibc.git
 

unix/linux/types.go

@@ -564,6 +564,8 @@ type (
 
 type Timespec C.struct_timespec
 
+type KernelTimespec C.struct___kernel_timespec
+
 type Timeval C.struct_timeval
 
 type Timex C.struct_timex

unix/mkerrors.sh

@@ -354,6 +354,9 @@ struct ltchars {
 // Renamed in v6.16, commit c6d732c38f93 ("net: ethtool: remove duplicate defines for family info")
 #define ETHTOOL_FAMILY_NAME	ETHTOOL_GENL_NAME
 #define ETHTOOL_FAMILY_VERSION	ETHTOOL_GENL_VERSION
+
+// Removed in v6.17, commit 760e6f7befba ("futex: Remove support for IMMUTABLE")
+#define PR_FUTEX_HASH_GET_IMMUTABLE 3
 '
 
 includes_NetBSD='