1 |
commit: 726b480df7252ebab605a27c2c06a8fdaf272f23 |
2 |
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
3 |
AuthorDate: Sun Jul 11 14:44:10 2021 +0000 |
4 |
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> |
5 |
CommitDate: Sun Jul 11 14:44:10 2021 +0000 |
6 |
URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=726b480d |
7 |
|
8 |
Linux patch 5.4.131 |
9 |
|
10 |
Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org> |
11 |
|
12 |
0000_README | 4 ++ |
13 |
1130_linux-5.4.131.patch | 158 +++++++++++++++++++++++++++++++++++++++++++++++ |
14 |
2 files changed, 162 insertions(+) |
15 |
|
16 |
diff --git a/0000_README b/0000_README |
17 |
index 016d1fd..85ef088 100644 |
18 |
--- a/0000_README |
19 |
+++ b/0000_README |
20 |
@@ -563,6 +563,10 @@ Patch: 1129_linux-5.4.130.patch |
21 |
From: http://www.kernel.org |
22 |
Desc: Linux 5.4.130 |
23 |
|
24 |
+Patch: 1130_linux-5.4.131.patch |
25 |
+From: http://www.kernel.org |
26 |
+Desc: Linux 5.4.131 |
27 |
+ |
28 |
Patch: 1500_XATTR_USER_PREFIX.patch |
29 |
From: https://bugs.gentoo.org/show_bug.cgi?id=470644 |
30 |
Desc: Support for namespace user.pax.* on tmpfs. |
31 |
|
32 |
diff --git a/1130_linux-5.4.131.patch b/1130_linux-5.4.131.patch |
33 |
new file mode 100644 |
34 |
index 0000000..25a9563 |
35 |
--- /dev/null |
36 |
+++ b/1130_linux-5.4.131.patch |
37 |
@@ -0,0 +1,158 @@ |
38 |
+diff --git a/Makefile b/Makefile |
39 |
+index 4256dd594d18c..5e8716dbbadca 100644 |
40 |
+--- a/Makefile |
41 |
++++ b/Makefile |
42 |
+@@ -1,7 +1,7 @@ |
43 |
+ # SPDX-License-Identifier: GPL-2.0 |
44 |
+ VERSION = 5 |
45 |
+ PATCHLEVEL = 4 |
46 |
+-SUBLEVEL = 130 |
47 |
++SUBLEVEL = 131 |
48 |
+ EXTRAVERSION = |
49 |
+ NAME = Kleptomaniac Octopus |
50 |
+ |
51 |
+diff --git a/arch/s390/include/asm/stacktrace.h b/arch/s390/include/asm/stacktrace.h |
52 |
+index 3679d224fd3c5..6836532f8d1a6 100644 |
53 |
+--- a/arch/s390/include/asm/stacktrace.h |
54 |
++++ b/arch/s390/include/asm/stacktrace.h |
55 |
+@@ -79,12 +79,16 @@ struct stack_frame { |
56 |
+ CALL_ARGS_4(arg1, arg2, arg3, arg4); \ |
57 |
+ register unsigned long r4 asm("6") = (unsigned long)(arg5) |
58 |
+ |
59 |
+-#define CALL_FMT_0 "=&d" (r2) : |
60 |
+-#define CALL_FMT_1 "+&d" (r2) : |
61 |
+-#define CALL_FMT_2 CALL_FMT_1 "d" (r3), |
62 |
+-#define CALL_FMT_3 CALL_FMT_2 "d" (r4), |
63 |
+-#define CALL_FMT_4 CALL_FMT_3 "d" (r5), |
64 |
+-#define CALL_FMT_5 CALL_FMT_4 "d" (r6), |
65 |
++/* |
66 |
++ * To keep this simple mark register 2-6 as being changed (volatile) |
67 |
++ * by the called function, even though register 6 is saved/nonvolatile. |
68 |
++ */ |
69 |
++#define CALL_FMT_0 "=&d" (r2) |
70 |
++#define CALL_FMT_1 "+&d" (r2) |
71 |
++#define CALL_FMT_2 CALL_FMT_1, "+&d" (r3) |
72 |
++#define CALL_FMT_3 CALL_FMT_2, "+&d" (r4) |
73 |
++#define CALL_FMT_4 CALL_FMT_3, "+&d" (r5) |
74 |
++#define CALL_FMT_5 CALL_FMT_4, "+&d" (r6) |
75 |
+ |
76 |
+ #define CALL_CLOBBER_5 "0", "1", "14", "cc", "memory" |
77 |
+ #define CALL_CLOBBER_4 CALL_CLOBBER_5 |
78 |
+@@ -105,7 +109,7 @@ struct stack_frame { |
79 |
+ " brasl 14,%[_fn]\n" \ |
80 |
+ " la 15,0(%[_prev])\n" \ |
81 |
+ : [_prev] "=&a" (prev), CALL_FMT_##nr \ |
82 |
+- [_stack] "a" (stack), \ |
83 |
++ : [_stack] "a" (stack), \ |
84 |
+ [_bc] "i" (offsetof(struct stack_frame, back_chain)), \ |
85 |
+ [_fn] "X" (fn) : CALL_CLOBBER_##nr); \ |
86 |
+ r2; \ |
87 |
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c |
88 |
+index 074cd170912aa..7341d22ed04f1 100644 |
89 |
+--- a/arch/x86/kvm/svm.c |
90 |
++++ b/arch/x86/kvm/svm.c |
91 |
+@@ -1794,9 +1794,25 @@ static void sev_asid_free(struct kvm *kvm) |
92 |
+ __sev_asid_free(sev->asid); |
93 |
+ } |
94 |
+ |
95 |
+-static void sev_unbind_asid(struct kvm *kvm, unsigned int handle) |
96 |
++static void sev_decommission(unsigned int handle) |
97 |
+ { |
98 |
+ struct sev_data_decommission *decommission; |
99 |
++ |
100 |
++ if (!handle) |
101 |
++ return; |
102 |
++ |
103 |
++ decommission = kzalloc(sizeof(*decommission), GFP_KERNEL); |
104 |
++ if (!decommission) |
105 |
++ return; |
106 |
++ |
107 |
++ decommission->handle = handle; |
108 |
++ sev_guest_decommission(decommission, NULL); |
109 |
++ |
110 |
++ kfree(decommission); |
111 |
++} |
112 |
++ |
113 |
++static void sev_unbind_asid(struct kvm *kvm, unsigned int handle) |
114 |
++{ |
115 |
+ struct sev_data_deactivate *data; |
116 |
+ |
117 |
+ if (!handle) |
118 |
+@@ -1814,15 +1830,7 @@ static void sev_unbind_asid(struct kvm *kvm, unsigned int handle) |
119 |
+ sev_guest_df_flush(NULL); |
120 |
+ kfree(data); |
121 |
+ |
122 |
+- decommission = kzalloc(sizeof(*decommission), GFP_KERNEL); |
123 |
+- if (!decommission) |
124 |
+- return; |
125 |
+- |
126 |
+- /* decommission handle */ |
127 |
+- decommission->handle = handle; |
128 |
+- sev_guest_decommission(decommission, NULL); |
129 |
+- |
130 |
+- kfree(decommission); |
131 |
++ sev_decommission(handle); |
132 |
+ } |
133 |
+ |
134 |
+ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr, |
135 |
+@@ -1960,6 +1968,7 @@ static void sev_vm_destroy(struct kvm *kvm) |
136 |
+ list_for_each_safe(pos, q, head) { |
137 |
+ __unregister_enc_region_locked(kvm, |
138 |
+ list_entry(pos, struct enc_region, list)); |
139 |
++ cond_resched(); |
140 |
+ } |
141 |
+ } |
142 |
+ |
143 |
+@@ -6475,8 +6484,10 @@ static int sev_launch_start(struct kvm *kvm, struct kvm_sev_cmd *argp) |
144 |
+ |
145 |
+ /* Bind ASID to this guest */ |
146 |
+ ret = sev_bind_asid(kvm, start->handle, error); |
147 |
+- if (ret) |
148 |
++ if (ret) { |
149 |
++ sev_decommission(start->handle); |
150 |
+ goto e_free_session; |
151 |
++ } |
152 |
+ |
153 |
+ /* return handle to userspace */ |
154 |
+ params.handle = start->handle; |
155 |
+diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c |
156 |
+index 9cc77f0397797..de825df4abf6a 100644 |
157 |
+--- a/drivers/xen/events/events_base.c |
158 |
++++ b/drivers/xen/events/events_base.c |
159 |
+@@ -525,6 +525,9 @@ static void xen_irq_lateeoi_locked(struct irq_info *info, bool spurious) |
160 |
+ } |
161 |
+ |
162 |
+ info->eoi_time = 0; |
163 |
++ |
164 |
++ /* is_active hasn't been reset yet, do it now. */ |
165 |
++ smp_store_release(&info->is_active, 0); |
166 |
+ do_unmask(info, EVT_MASK_REASON_EOI_PENDING); |
167 |
+ } |
168 |
+ |
169 |
+@@ -1781,10 +1784,22 @@ static void lateeoi_ack_dynirq(struct irq_data *data) |
170 |
+ struct irq_info *info = info_for_irq(data->irq); |
171 |
+ evtchn_port_t evtchn = info ? info->evtchn : 0; |
172 |
+ |
173 |
+- if (VALID_EVTCHN(evtchn)) { |
174 |
+- do_mask(info, EVT_MASK_REASON_EOI_PENDING); |
175 |
+- ack_dynirq(data); |
176 |
+- } |
177 |
++ if (!VALID_EVTCHN(evtchn)) |
178 |
++ return; |
179 |
++ |
180 |
++ do_mask(info, EVT_MASK_REASON_EOI_PENDING); |
181 |
++ |
182 |
++ if (unlikely(irqd_is_setaffinity_pending(data)) && |
183 |
++ likely(!irqd_irq_disabled(data))) { |
184 |
++ do_mask(info, EVT_MASK_REASON_TEMPORARY); |
185 |
++ |
186 |
++ clear_evtchn(evtchn); |
187 |
++ |
188 |
++ irq_move_masked_irq(data); |
189 |
++ |
190 |
++ do_unmask(info, EVT_MASK_REASON_TEMPORARY); |
191 |
++ } else |
192 |
++ clear_evtchn(evtchn); |
193 |
+ } |
194 |
+ |
195 |
+ static void lateeoi_mask_ack_dynirq(struct irq_data *data) |