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qemu/target/i386
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Richard Henderson ded1db48c9 target/i386: Fix tss access size in switch_tss_ra 
The two limit_max variables represent size - 1, just like the
encoding in the GDT, thus the 'old' access was off by one.
Access the minimal size of the new tss: the complete tss contains
the iopb, which may be a larger block than the access api expects,
and irrelevant because the iopb is not accessed during the
switch itself.

Fixes: 8b13106508 ("target/i386/tcg: use X86Access for TSS access")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2511
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240819074052.207783-1-richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
2024-08-21 09:11:26 +10:00
..
hvf hvf: Drop ifdef for macOS versions older than 12.0 2024-07-02 06:58:48 +02:00
kvm target/i386: Fix arguments for vmsr_read_thread_stat() 2024-08-14 18:42:19 +02:00
nvmm cpu: move Qemu[Thread|Cond] setup into common code 2024-06-04 10:02:39 +02:00
tcg target/i386: Fix tss access size in switch_tss_ra 2024-08-21 09:11:26 +10:00
whpx cpu: move Qemu[Thread|Cond] setup into common code 2024-06-04 10:02:39 +02:00
arch_dump.c dump: Replace opaque DumpState pointer with a typed one 2022-10-06 19:30:43 +04:00
arch_memory_mapping.c memory: follow Error API guidelines 2023-10-19 23:13:27 +02:00
confidential-guest.c target/i386: introduce x86-confidential-guest 2024-04-23 17:35:25 +02:00
confidential-guest.h target/i386: add support for masking CPUID features in confidential guests 2024-07-04 07:47:11 +02:00
cpu-apic.c target/i386: Move APIC related code to cpu-apic.c 2024-04-25 10:12:54 +02:00
cpu-dump.c target/i386: fix CC_OP dump 2024-06-28 14:44:52 +02:00
cpu-internal.h i386: split off sysemu part of cpu.c 2021-05-10 15:41:52 -04:00
cpu-param.h target: Define TCG_GUEST_DEFAULT_MO in 'cpu-param.h' 2024-04-26 15:31:37 +02:00
cpu-qom.h target: Move ArchCPUClass definition to 'cpu.h' 2023-11-07 13:08:48 +01:00
cpu-sysemu.c target/i386: Move APIC related code to cpu-apic.c 2024-04-25 10:12:54 +02:00
cpu.c target/i386/cpu: Mask off SGX/SGX_LC feature words for non-PC machine 2024-07-31 13:13:31 +02:00
cpu.h target/i386: Fix carry flag for BLSI 2024-08-21 09:11:26 +10:00
gdbstub.c misc: Use QEMU header path relative to include/ directory 2024-05-09 00:07:21 +02:00
helper.c i386: Fix MCE support for AMD hosts 2024-06-08 10:33:38 +02:00
helper.h target/i386: replace read_crN helper with read_cr8 2024-06-17 09:47:39 +02:00
host-cpu.c target/i386: Advertise MWAIT iff host supports 2024-06-30 19:51:44 +03:00
host-cpu.h accel-cpu: make cpu_realizefn return a bool 2021-05-10 15:41:50 -04:00
Kconfig i386: select correct components for no-board build 2024-05-10 15:45:15 +02:00
machine.c target/i386: Add get/set/migrate support for FRED MSRs 2024-06-08 10:33:38 +02:00
meson.build target/i386: Move APIC related code to cpu-apic.c 2024-04-25 10:12:54 +02:00
monitor.c target/i386: Move APIC related code to cpu-apic.c 2024-04-25 10:12:54 +02:00
ops_sse.h target/i386: set CC_OP in helpers if they want CC_OP_EFLAGS 2024-05-25 13:28:01 +02:00
sev-sysemu-stub.c hw/i386/sev: Add support to encrypt BIOS when SEV-SNP is enabled 2024-06-05 11:01:06 +02:00
sev.c target/i386: SEV: fix mismatch in vcek-disabled property name 2024-08-02 12:11:44 +02:00
sev.h hw/i386/sev: Add support to encrypt BIOS when SEV-SNP is enabled 2024-06-05 11:01:06 +02:00
svm.h target/i386: check intercept for XSETBV 2023-10-17 15:20:53 +02:00
trace-events target/i386/sev: Use size_t for object sizes 2024-06-28 19:26:54 +02:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
xsave_helper.c x86: add support for KVM_CAP_XSAVE2 and AMX state migration 2022-03-15 11:50:50 +01:00