Rebase on a 6.12.87 kernel

Rebase on the latest LTS 6.12.x kernel. No changes needed in the
downstream patches.

Signed-off-by: Sergio Lopez <slp@redhat.com>

Author: slp

Makefile

@@ -1,13 +1,13 @@
-KERNEL_VERSION = linux-6.12.76
+KERNEL_VERSION = linux-6.12.87
 KERNEL_REMOTE = https://cdn.kernel.org/pub/linux/kernel/v6.x/$(KERNEL_VERSION).tar.xz
 KERNEL_TARBALL = tarballs/$(KERNEL_VERSION).tar.xz
 KERNEL_SOURCES = $(KERNEL_VERSION)
 KERNEL_PATCHES = $(shell find patches/ -name "0*.patch" | sort)
 KERNEL_C_BUNDLE = kernel.c
 
 ABI_VERSION = 5
-FULL_VERSION = 5.3.0
-TIMESTAMP = "Tue Mar 10 13:28:56 CET 2026"
+FULL_VERSION = 5.4.0
+TIMESTAMP = "Fri May  8 14:25:15 CEST 2026"
 
 KERNEL_FLAGS = KBUILD_BUILD_TIMESTAMP=$(TIMESTAMP)
 KERNEL_FLAGS += KBUILD_BUILD_USER=root

patches-tee/0001-virtio-enable-DMA-API-if-memory-is-restricted.patch

@@ -1,4 +1,4 @@
-From 657f3ea1bfeb76ddc6bc4af9eb23dc77a1ff8a1a Mon Sep 17 00:00:00 2001
+From ff5dbd901b0688a006fafcba07449d4a116b7317 Mon Sep 17 00:00:00 2001
 From: Sergio Lopez <slp@sinrega.org>
 Date: Fri, 10 Sep 2021 13:05:01 +0200
 Subject: [PATCH 1/4] virtio: enable DMA API if memory is restricted
@@ -54,5 +54,5 @@ index c0276979675d..1d5b988e4452 100644
  	/*
  	 * In theory, it's possible to have a buggy QEMU-supposed
 -- 
-2.52.0
+2.54.0
 

patches-tee/0002-x86-sev-write-AP-reset-vector.patch

@@ -1,4 +1,4 @@
-From 85875d63186b73e8b524204ee10385f979f49d48 Mon Sep 17 00:00:00 2001
+From dd2119161ec3510a5ca2946dcadd5043f19ff4ed Mon Sep 17 00:00:00 2001
 From: Sergio Lopez <slp@redhat.com>
 Date: Thu, 20 Oct 2022 10:23:16 +0200
 Subject: [PATCH 2/4] x86/sev: write AP reset vector
@@ -12,10 +12,10 @@ Signed-off-by: Sergio Lopez <slp@redhat.com>
  1 file changed, 24 insertions(+), 1 deletion(-)
 
 diff --git a/arch/x86/coco/sev/core.c b/arch/x86/coco/sev/core.c
-index de1df0cb45da..7ed486a790fb 100644
+index 2be730765f83..aff0f627c3bd 100644
 --- a/arch/x86/coco/sev/core.c
 +++ b/arch/x86/coco/sev/core.c
-@@ -1266,6 +1266,29 @@ void __init snp_set_wakeup_secondary_cpu(void)
+@@ -1273,6 +1273,29 @@ void __init snp_set_wakeup_secondary_cpu(void)
  	apic_update_callback(wakeup_secondary_cpu, wakeup_cpu_via_vmgexit);
  }
 
@@ -45,7 +45,7 @@ index de1df0cb45da..7ed486a790fb 100644
  int __init sev_es_setup_ap_jump_table(struct real_mode_header *rmh)
  {
  	u16 startup_cs, startup_ip;
-@@ -1277,7 +1300,7 @@ int __init sev_es_setup_ap_jump_table(struct real_mode_header *rmh)
+@@ -1284,7 +1307,7 @@ int __init sev_es_setup_ap_jump_table(struct real_mode_header *rmh)
 
  	/* On UP guests there is no jump table so this is not a failure */
  	if (!jump_table_addr)
@@ -55,5 +55,5 @@ index de1df0cb45da..7ed486a790fb 100644
  	/* Check if AP Jump Table is page-aligned */
  	if (jump_table_addr & ~PAGE_MASK)
 -- 
-2.52.0
+2.54.0
 

patches-tee/0003-Implement-driver-to-retrieve-secrets-from-cmdline.patch

@@ -1,4 +1,4 @@
-From 702d45def09ba1783735f654a6686c1aa1f601e9 Mon Sep 17 00:00:00 2001
+From 45bce0f81b5111fac6e6979a8709e8bd87661ef4 Mon Sep 17 00:00:00 2001
 From: Sergio Lopez <slp@redhat.com>
 Date: Wed, 3 Aug 2022 12:35:12 +0200
 Subject: [PATCH 3/4] Implement driver to retrieve secrets from cmdline
@@ -259,7 +259,7 @@ index ee1309473bc6..96c0f3c72395 100644
 
  /* used by init/main.c */
 diff --git a/init/main.c b/init/main.c
-index 821df1f05e9c..04f8f5a6389d 100644
+index dca88ac54c43..0336c3b27043 100644
 --- a/init/main.c
 +++ b/init/main.c
 @@ -149,6 +149,11 @@ static char *extra_command_line;
@@ -290,5 +290,5 @@ index 821df1f05e9c..04f8f5a6389d 100644
 
  /*
 -- 
-2.52.0
+2.54.0
 

patches-tee/0004-x86-sev-Avoid-using-native_cpuid.patch

@@ -1,4 +1,4 @@
-From 3b114c42aaf912e8da93252c5562f7635a8b2199 Mon Sep 17 00:00:00 2001
+From 126c045600e62f2e1bda8568cee52de30b6d0aff Mon Sep 17 00:00:00 2001
 From: Sergio Lopez <slp@redhat.com>
 Date: Wed, 5 Jun 2024 16:20:08 +0200
 Subject: [PATCH 4/4] x86/sev: Avoid using native_cpuid
@@ -61,5 +61,5 @@ index b922b9fea6b6..c0de732b0121 100644
  	/* Check the SEV MSR whether SEV or SME is enabled */
  	RIP_REL_REF(sev_status) = msr = __rdmsr(MSR_AMD64_SEV);
 -- 
-2.52.0
+2.54.0
 

patches/0001-krunfw-Don-t-panic-when-init-dies.patch

@@ -1,7 +1,7 @@
-From 817f5791591a123e06fa85993aa24f2e4367c506 Mon Sep 17 00:00:00 2001
+From db20a79e5810bc9fc77655acde5c8e13e7942ba9 Mon Sep 17 00:00:00 2001
 From: Sergio Lopez <slp@redhat.com>
 Date: Thu, 2 Mar 2023 07:34:49 +0100
-Subject: [PATCH 01/26] krunfw: Don't panic when init dies
+Subject: [PATCH 01/32] krunfw: Don't panic when init dies
 
 In libkrun, the isolated process runs as PID 1. When it exits,
 trigger an orderly reboot instead of panic'ing.
@@ -59,5 +59,5 @@ index d6ee090eda94..f6947c5bd671 100644
  	machine_restart(cmd);
  }
 -- 
-2.52.0
+2.54.0
 

patches/0002-krunfw-Ignore-run_cmd-on-orderly-reboot.patch

@@ -1,7 +1,7 @@
-From db750d64e3f36576b667b67e979ec800a1eec872 Mon Sep 17 00:00:00 2001
+From 2e7df3e03121c97e16bb72de31e8b5ba9908971a Mon Sep 17 00:00:00 2001
 From: Sergio Lopez <slp@redhat.com>
 Date: Mon, 16 May 2022 16:04:27 +0200
-Subject: [PATCH 02/26] krunfw: Ignore run_cmd on orderly reboot
+Subject: [PATCH 02/32] krunfw: Ignore run_cmd on orderly reboot
 
 We don't really support restarting the conventional way, so ignore
 "run_cmd" so we can fall back to an emergency sync and reboot.
@@ -28,5 +28,5 @@ index f6947c5bd671..5925d8fcfbfa 100644
  	if (ret) {
  		pr_warn("Failed to start orderly reboot: forcing the issue\n");
 -- 
-2.52.0
+2.54.0
 

patches/0003-vsock-dgram-generalize-recvmsg-and-drop-transport-dg.patch

@@ -1,7 +1,7 @@
-From 56ef3652b6666b91c1c66fa94aedac70a934bfb2 Mon Sep 17 00:00:00 2001
+From 8ca8db16da5001752ca7d782a60d9af85e7899b7 Mon Sep 17 00:00:00 2001
 From: Bobby Eshleman <bobby.eshleman () bytedance ! com>
 Date: Sat, 10 Jun 2023 00:58:28 +0000
-Subject: [PATCH 03/26] vsock/dgram: generalize recvmsg and drop
+Subject: [PATCH 03/32] vsock/dgram: generalize recvmsg and drop
  transport->dgram_dequeue
 
 This commit drops the transport->dgram_dequeue callback and makes
@@ -348,5 +348,5 @@ index 6e78927a598e..3d5e05d8950f 100644
  		.stream_dequeue           = virtio_transport_stream_dequeue,
  		.stream_enqueue           = virtio_transport_stream_enqueue,
 -- 
-2.52.0
+2.54.0
 

patches/0004-vsock-refactor-transport-lookup-code.patch

@@ -1,7 +1,7 @@
-From 385e0bdc508313f07f59bbe26cf91ed6d97eaf39 Mon Sep 17 00:00:00 2001
+From 0530d4f1e7c9112d492330d74bab3426ef4f5cf6 Mon Sep 17 00:00:00 2001
 From: Bobby Eshleman <bobby.eshleman () bytedance ! com>
 Date: Sat, 10 Jun 2023 00:58:29 +0000
-Subject: [PATCH 04/26] vsock: refactor transport lookup code
+Subject: [PATCH 04/32] vsock: refactor transport lookup code
 
 Introduce new reusable function vsock_connectible_lookup_transport()
 that performs the transport lookup logic.
@@ -57,5 +57,5 @@ index fccb4761b8af..4a8f62e7520d 100644
  	default:
  		ret = -ESOCKTNOSUPPORT;
 -- 
-2.52.0
+2.54.0
 

patches/0005-vsock-support-multi-transport-datagrams.patch

@@ -1,7 +1,7 @@
-From 774a9ccd77a3adb0f736f3f2323bde3d0b06b210 Mon Sep 17 00:00:00 2001
+From 365643863f3166d827024d4b6067222a6453d015 Mon Sep 17 00:00:00 2001
 From: Bobby Eshleman <bobby.eshleman () bytedance ! com>
 Date: Sat, 10 Jun 2023 00:58:30 +0000
-Subject: [PATCH 05/26] vsock: support multi-transport datagrams
+Subject: [PATCH 05/32] vsock: support multi-transport datagrams
 
 This patch adds support for multi-transport datagrams.
 
@@ -304,5 +304,5 @@ index 3d5e05d8950f..9e9e124f8d2b 100644
  		.dgram_allow              = virtio_transport_dgram_allow,
  		.dgram_get_cid		  = virtio_transport_dgram_get_cid,
 -- 
-2.52.0
+2.54.0