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Message-ID: <20250922103241.16213-1-farbere@amazon.com>
Date: Mon, 22 Sep 2025 10:32:26 +0000
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Subject: [PATCH 00/15 v6.6.y] Backport minmax.h updates from v6.17-rc7
This series backports 15 patches to update minmax.h in the 6.6.y branch,
aligning it with v6.17-rc7.
The ultimate goal is to synchronize all longterm branches so that they
include the full set of minmax.h changes.
The key motivation is to bring in commit d03eba99f5bf ("minmax: allow
min()/max()/clamp() if the arguments have the same signedness"), which
is missing in older kernels.
In mainline, this change enables min()/max()/clamp() to accept mixed
argument types, provided both have the same signedness. Without it,
backported patches that use these forms may trigger compiler warnings,
which escalate to build failures when -Werror is enabled.
David Laight (7):
minmax.h: add whitespace around operators and after commas
minmax.h: update some comments
minmax.h: reduce the #define expansion of min(), max() and clamp()
minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp()
minmax.h: move all the clamp() definitions after the min/max() ones
minmax.h: simplify the variants of clamp()
minmax.h: remove some #defines that are only expanded once
Linus Torvalds (8):
minmax: avoid overly complicated constant expressions in VM code
minmax: simplify and clarify min_t()/max_t() implementation
minmax: add a few more MIN_T/MAX_T users
minmax: make generic MIN() and MAX() macros available everywhere
minmax: simplify min()/max()/clamp() implementation
minmax: don't use max() in situations that want a C constant
expression
minmax: improve macro expansion and type checking
minmax: fix up min3() and max3() too
arch/um/drivers/mconsole_user.c | 2 +
arch/x86/mm/pgtable.c | 2 +-
drivers/edac/sb_edac.c | 4 +-
drivers/edac/skx_common.h | 1 -
.../drm/amd/display/modules/hdcp/hdcp_ddc.c | 2 +
.../drm/amd/pm/powerplay/hwmgr/ppevvmath.h | 14 +-
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 2 +-
drivers/gpu/drm/drm_color_mgmt.c | 2 +-
drivers/gpu/drm/radeon/evergreen_cs.c | 2 +
drivers/hwmon/adt7475.c | 24 +-
drivers/input/touchscreen/cyttsp4_core.c | 2 +-
drivers/irqchip/irq-sun6i-r.c | 2 +-
drivers/md/dm-integrity.c | 6 +-
drivers/media/dvb-frontends/stv0367_priv.h | 3 +
.../net/can/usb/etas_es58x/es58x_devlink.c | 2 +-
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
drivers/net/fjes/fjes_main.c | 4 +-
drivers/nfc/pn544/i2c.c | 2 -
drivers/platform/x86/sony-laptop.c | 1 -
drivers/scsi/isci/init.c | 6 +-
.../pci/hive_isp_css_include/math_support.h | 5 -
fs/btrfs/tree-checker.c | 2 +-
include/linux/compiler.h | 9 +
include/linux/minmax.h | 228 +++++++++++-------
include/linux/pageblock-flags.h | 2 +-
kernel/trace/preemptirq_delay_test.c | 2 -
lib/btree.c | 1 -
lib/decompress_unlzma.c | 2 +
lib/vsprintf.c | 2 +-
mm/zsmalloc.c | 2 -
net/ipv4/proc.c | 2 +-
net/ipv6/proc.c | 2 +-
tools/testing/selftests/mm/mremap_test.c | 2 +
tools/testing/selftests/seccomp/seccomp_bpf.c | 2 +
34 files changed, 202 insertions(+), 146 deletions(-)
--
2.47.3
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