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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-04-12 12:12:09 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-04-12 12:12:09 +0100 |
| commit | c1e90def01bdb8fcbdbebd9d1eaa8e4827ece620 (patch) | |
| tree | 7f497416d1cbfadc9cc2ab5961e8b790eb7eb6b9 /accel/tcg | |
| parent | f2afdc2ad94b99cc98371791cabc308b547e4add (diff) | |
| parent | 52c01ada86611136e3122dd139788dbcbc292d86 (diff) | |
| download | qemu-c1e90def01bdb8fcbdbebd9d1eaa8e4827ece620.zip qemu-c1e90def01bdb8fcbdbebd9d1eaa8e4827ece620.tar.gz qemu-c1e90def01bdb8fcbdbebd9d1eaa8e4827ece620.tar.bz2 | |
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210412' into staging
target-arm queue:
* hw/arm/virt-acpi-build: Fix GSIV values of the {GERR, Sync} interrupts
* hw/arm/smmuv3: Emulate CFGI_STE_RANGE for an aligned range of StreamIDs
* accel/tcg: Preserve PAGE_ANON when changing page permissions
* target/arm: Check PAGE_WRITE_ORG for MTE writeability
* exec: Fix overlap of PAGE_ANON and PAGE_TARGET_1
# gpg: Signature made Mon 12 Apr 2021 11:31:15 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20210412:
exec: Fix overlap of PAGE_ANON and PAGE_TARGET_1
target/arm: Check PAGE_WRITE_ORG for MTE writeability
accel/tcg: Preserve PAGE_ANON when changing page permissions
hw/arm/smmuv3: Emulate CFGI_STE_RANGE for an aligned range of StreamIDs
hw/arm/virt-acpi-build: Fix GSIV values of the {GERR, Sync} interrupts
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'accel/tcg')
| -rw-r--r-- | accel/tcg/translate-all.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index f32df8b..ba6ab09 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -2714,6 +2714,8 @@ void page_set_flags(target_ulong start, target_ulong end, int flags) a missing call to h2g_valid. */ assert(end - 1 <= GUEST_ADDR_MAX); assert(start < end); + /* Only set PAGE_ANON with new mappings. */ + assert(!(flags & PAGE_ANON) || (flags & PAGE_RESET)); assert_memory_lock(); start = start & TARGET_PAGE_MASK; @@ -2737,11 +2739,14 @@ void page_set_flags(target_ulong start, target_ulong end, int flags) p->first_tb) { tb_invalidate_phys_page(addr, 0); } - if (reset_target_data && p->target_data) { + if (reset_target_data) { g_free(p->target_data); p->target_data = NULL; + p->flags = flags; + } else { + /* Using mprotect on a page does not change MAP_ANON. */ + p->flags = (p->flags & PAGE_ANON) | flags; } - p->flags = flags; } } |