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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:35:14 +0200 |
| commit | 3e4c5a6261770bced301b5e74233e7866166ea5b (patch) | |
| tree | 9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_missing/host_missing/accel_TCG/2899 | |
| parent | e5634e2806195bee44407853c4bf8776f7abfa4f (diff) | |
| download | qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip | |
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_TCG/2899')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_TCG/2899 | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_TCG/2899 b/gitlab/issues_text/target_missing/host_missing/accel_TCG/2899 deleted file mode 100644 index 43a5b2710..000000000 --- a/gitlab/issues_text/target_missing/host_missing/accel_TCG/2899 +++ /dev/null @@ -1,36 +0,0 @@ -Regression 10.0.0rc1: Segmentation fault on executing QEMU advent calendar 2014, day 4 -Description of problem: -On executing QEMU, a segmentation fault occurs -Steps to reproduce: -1. Download https://www.qemu-advent-calendar.org/2014/download/stxmas.tar.xz -2. Execute with QEMU command line -Additional information: -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(-) -``` |