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Message-ID: <d11fe153-b3a3-94f0-a425-ad4881a82412@gmx.de>
Date: Mon, 29 Mar 2021 16:40:00 +0200
From: Ronald Warsow <rwarsow@....de>
To: stable@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: RE: [PATCH 5.11 000/252] 5.11.11-rc2 review
hello
5.11.11-rc2 compiles, boots and run fine here (on an i7-6700 with Fedora
34 Beta)
Thanks.
but I see some error's/warning's with the new gcc-11.0.1 compared to the
elder gcc-10.2.1-11
In function ‘poly1305_simd_init’,
inlined from ‘crypto_poly1305_setdctxkey’ at
arch/x86/crypto/poly1305_glue.c:150:4,
inlined from ‘crypto_poly1305_setdctxkey’ at
arch/x86/crypto/poly1305_glue.c:144:21,
inlined from ‘poly1305_update_arch’ at
arch/x86/crypto/poly1305_glue.c:181:8:
arch/x86/crypto/poly1305_glue.c:86:9: warning: ‘poly1305_init_x86_64’
reading 32 bytes from a region of size 16 [-Wstringop-overread]
86 | poly1305_init_x86_64(ctx, key);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/crypto/poly1305_glue.c: In function ‘poly1305_update_arch’:
arch/x86/crypto/poly1305_glue.c:86:9: note: referencing argument 2 of
type ‘const u8 *’ {aka ‘const unsigned char *’}
arch/x86/crypto/poly1305_glue.c:18:17: note: in a call to function
‘poly1305_init_x86_64’
18 | asmlinkage void poly1305_init_x86_64(void *ctx,
| ^~~~~~~~~~~~~~~~~~~~
In file included from ./include/linux/bitmap.h:9,
from ./include/linux/cpumask.h:12,
from ./arch/x86/include/asm/cpumask.h:5,
from ./arch/x86/include/asm/msr.h:11,
from ./arch/x86/include/asm/processor.h:22,
from ./arch/x86/include/asm/cpufeature.h:5,
from ./arch/x86/include/asm/thread_info.h:53,
from ./include/linux/thread_info.h:59,
from ./arch/x86/include/asm/preempt.h:7,
from ./include/linux/preempt.h:78,
from ./include/linux/rcupdate.h:27,
from ./include/linux/rbtree.h:22,
from ./include/linux/iova.h:14,
from ./include/linux/intel-iommu.h:14,
from arch/x86/kernel/tboot.c:9:
In function ‘memcmp’,
inlined from ‘tboot_probe’ at arch/x86/kernel/tboot.c:70:6:
./include/linux/string.h:283:33: warning: ‘__builtin_memcmp_eq’
specified bound 16 exceeds source size 0 [-Wstringop-overread]
283 | #define __underlying_memcmp __builtin_memcmp
| ^
./include/linux/string.h:488:16: note: in expansion of macro
‘__underlying_memcmp’
488 | return __underlying_memcmp(p, q, size);
| ^~~~~~~~~~~~~~~~~~~
lib/crypto/poly1305-donna64.c:15:67: warning: argument 2 of type ‘const
u8[16]’ {aka ‘const unsigned char[16]’} with mismatched bound
[-Warray-parameter=]
15 | void poly1305_core_setkey(struct poly1305_core_key *key, const
u8 raw_key[16])
| ~~~~~~~~~^~~~~~~~~~~
In file included from lib/crypto/poly1305-donna64.c:11:
./include/crypto/internal/poly1305.h:21:68: note: previously declared as
‘const u8 *’ {aka ‘const unsigned char *’}
21 | void poly1305_core_setkey(struct poly1305_core_key *key, const
u8 *raw_key);
| ~~~~~~~~~~^~~~~~~
arch/x86/lib/msr-smp.c:255:51: warning: argument 2 of type ‘u32 *’ {aka
‘unsigned int *’} declared as a pointer [-Warray-parameter=]
255 | int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
| ~~~~~^~~~
In file included from ./arch/x86/include/asm/processor.h:22,
from ./arch/x86/include/asm/cpufeature.h:5,
from ./arch/x86/include/asm/thread_info.h:53,
from ./include/linux/thread_info.h:59,
from ./arch/x86/include/asm/preempt.h:7,
from ./include/linux/preempt.h:78,
from arch/x86/lib/msr-smp.c:3:
./arch/x86/include/asm/msr.h:347:50: note: previously declared as an
array ‘u32[8]’ {aka ‘unsigned int[8]’}
347 | int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
| ~~~~^~~~~~~
arch/x86/lib/msr-smp.c:268:51: warning: argument 2 of type ‘u32 *’ {aka
‘unsigned int *’} declared as a pointer [-Warray-parameter=]
268 | int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 *regs)
| ~~~~~^~~~
In file included from ./arch/x86/include/asm/processor.h:22,
from ./arch/x86/include/asm/cpufeature.h:5,
from ./arch/x86/include/asm/thread_info.h:53,
from ./include/linux/thread_info.h:59,
from ./arch/x86/include/asm/preempt.h:7,
from ./include/linux/preempt.h:78,
from arch/x86/lib/msr-smp.c:3:
./arch/x86/include/asm/msr.h:348:50: note: previously declared as an
array ‘u32[8]’ {aka ‘unsigned int[8]’}
348 | int wrmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);
| ~~~~^~~~~~~
In function ‘snb_wm_latency_quirk’,
inlined from ‘ilk_setup_wm_latency’ at
drivers/gpu/drm/i915/intel_pm.c:3108:3,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3057:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3057 | intel_print_wm_latency(dev_priv, "Primary",
dev_priv->wm.pri_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3057:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘snb_wm_latency_quirk’,
inlined from ‘ilk_setup_wm_latency’ at
drivers/gpu/drm/i915/intel_pm.c:3108:3,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3058:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3058 | intel_print_wm_latency(dev_priv, "Sprite",
dev_priv->wm.spr_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3058:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘snb_wm_latency_quirk’,
inlined from ‘ilk_setup_wm_latency’ at
drivers/gpu/drm/i915/intel_pm.c:3108:3,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3059:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3059 | intel_print_wm_latency(dev_priv, "Cursor",
dev_priv->wm.cur_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3059:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘snb_wm_lp3_irq_quirk’,
inlined from ‘ilk_setup_wm_latency’ at
drivers/gpu/drm/i915/intel_pm.c:3109:3,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3086:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3086 | intel_print_wm_latency(dev_priv, "Primary",
dev_priv->wm.pri_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3086:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘snb_wm_lp3_irq_quirk’,
inlined from ‘ilk_setup_wm_latency’ at
drivers/gpu/drm/i915/intel_pm.c:3109:3,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3087:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3087 | intel_print_wm_latency(dev_priv, "Sprite",
dev_priv->wm.spr_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3087:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘snb_wm_lp3_irq_quirk’,
inlined from ‘ilk_setup_wm_latency’ at
drivers/gpu/drm/i915/intel_pm.c:3109:3,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3088:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3088 | intel_print_wm_latency(dev_priv, "Cursor",
dev_priv->wm.cur_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3088:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘ilk_setup_wm_latency’,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3103:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3103 | intel_print_wm_latency(dev_priv, "Primary",
dev_priv->wm.pri_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3103:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘ilk_setup_wm_latency’,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3104:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3104 | intel_print_wm_latency(dev_priv, "Sprite",
dev_priv->wm.spr_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3104:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘ilk_setup_wm_latency’,
inlined from ‘intel_init_pm’ at drivers/gpu/drm/i915/intel_pm.c:7650:3:
drivers/gpu/drm/i915/intel_pm.c:3105:9: warning:
‘intel_print_wm_latency’ reading 16 bytes from a region of size 10
[-Wstringop-overread]
3105 | intel_print_wm_latency(dev_priv, "Cursor",
dev_priv->wm.cur_latency);
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/intel_pm.c: In function ‘intel_init_pm’:
drivers/gpu/drm/i915/intel_pm.c:3105:9: note: referencing argument 3 of
type ‘const u16 *’ {aka ‘const short unsigned int *’}
drivers/gpu/drm/i915/intel_pm.c:2994:13: note: in a call to function
‘intel_print_wm_latency’
2994 | static void intel_print_wm_latency(struct drm_i915_private
*dev_priv,
| ^~~~~~~~~~~~~~~~~~~~~~
In function ‘intel_dp_check_mst_status’,
inlined from ‘intel_dp_hpd_pulse’ at
drivers/gpu/drm/i915/display/intel_dp.c:7122:8:
drivers/gpu/drm/i915/display/intel_dp.c:5797:22: warning:
‘drm_dp_channel_eq_ok’ reading 6 bytes from a region of size 4
[-Wstringop-overread]
5797 | !drm_dp_channel_eq_ok(&esi[10],
intel_dp->lane_count)) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/display/intel_dp.c: In function ‘intel_dp_hpd_pulse’:
drivers/gpu/drm/i915/display/intel_dp.c:5797:22: note: referencing
argument 1 of type ‘const u8 *’ {aka ‘const unsigned char *’}
In file included from drivers/gpu/drm/i915/display/intel_dp.c:38:
./include/drm/drm_dp_helper.h:1267:6: note: in a call to function
‘drm_dp_channel_eq_ok’
1267 | bool drm_dp_channel_eq_ok(const u8
link_status[DP_LINK_STATUS_SIZE],
| ^~~~~~~~~~~~~~~~~~~~
--
regards
Ronald
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