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17 August 2024, 15:42:30 UTC
Revision b1c41ac3ce569b04644bb1e3fd28926604637da3 authored by Heiko Carstens on 02 October 2019, 12:24:47 UTC, committed by Vasily Gorbik on 05 October 2019, 11:51:18 UTC 
KVM: s390: fix __insn32_query() inline assembly
 
The inline assembly constraints of __insn32_query() tell the compiler
that only the first byte of "query" is being written to. Intended was
probably that 32 bytes are written to.

Fix and simplify the code and just use a "memory" clobber.

Fixes: d668139718a9 ("KVM: s390: provide query function for instructions returning 32 byte")
Cc: stable@vger.kernel.org # v5.2+
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
1 parent 61c3134
Raw File
Tip revision: b1c41ac3ce569b04644bb1e3fd28926604637da3 authored by Heiko Carstens on 02 October 2019, 12:24:47 UTC
KVM: s390: fix __insn32_query() inline assembly
Tip revision: b1c41ac
Kconfig 
# SPDX-License-Identifier: GPL-2.0
#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.rst.
#
mainmenu "Linux/$(ARCH) $(KERNELVERSION) Kernel Configuration"

comment "Compiler: $(CC_VERSION_TEXT)"

source "scripts/Kconfig.include"

source "init/Kconfig"

source "kernel/Kconfig.freezer"

source "fs/Kconfig.binfmt"

source "mm/Kconfig"

source "net/Kconfig"

source "drivers/Kconfig"

source "fs/Kconfig"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"

source "lib/Kconfig.debug"

source "Documentation/Kconfig"
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