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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_missing/accel_TCG/2899.toml | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_TCG/2899.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_TCG/2899.toml | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_TCG/2899.toml b/gitlab/issues/target_missing/host_missing/accel_TCG/2899.toml deleted file mode 100644 index 51e8d86e9..000000000 --- a/gitlab/issues/target_missing/host_missing/accel_TCG/2899.toml +++ /dev/null @@ -1,44 +0,0 @@ -id = 2899 -title = "Regression 10.0.0rc1: Segmentation fault on executing QEMU advent calendar 2014, day 4" -state = "closed" -created_at = "2025-04-01T10:23:12.161Z" -closed_at = "2025-04-04T17:07:31.583Z" -labels = ["accel: TCG", "workflow::Patch available"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2899" -host-os = "Debian 12.10" -host-arch = "x86_64" -qemu-version = "QEMU emulator version 9.2.50 (v9.2.0-1215-g456709db50)" -guest-os = "Unknown" -guest-arch = "i386" -description = """On executing QEMU, a segmentation fault occurs""" -reproduce = """1. Download https://www.qemu-advent-calendar.org/2014/download/stxmas.tar.xz -2. Execute with QEMU command line""" -additional = """git bisect finishes with: - -``` -456709db50f424d112bc5f07260fdc51555f3a24 is the first bad commit -commit 456709db50f424d112bc5f07260fdc51555f3a24 -Author: Paolo Bonzini <pbonzini@redhat.com> -Date: Sun Dec 15 10:06:10 2024 +0100 - - target/i386: execute multiple REP/REPZ iterations without leaving TB - - Use a TCG loop so that it is not necessary to go through the setup steps - of REP and through the I/O check on every iteration. Interestingly, this - is not a particularly effective optimization on its own, though it avoids - the cost of correct RF emulation that was added in the previous patch. - The main benefit lies in allowing the hoisting of loop invariants outside - the loop, which will happen separately. - - The loop exits when the low 16 bits of CX/ECX/RCX are zero (so generally - speaking the string operation runs in 65536 iteration batches) to give - the main loop an opportunity to pick up interrupts. - - Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> - Reviewed-by: Richard Henderson <richard.henderson@linaro.org> - Link: https://lore.kernel.org/r/20241215090613.89588-12-pbonzini@redhat.com - Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> - - target/i386/tcg/translate.c | 55 ++++++++++++++++++++++++++++++++++++++++----- - 1 file changed, 49 insertions(+), 6 deletions(-) -```""" |